勒索軟體 (Chinese Wikipedia)

Young, A.; M. Yung. Cryptovirology: extortion-based security threats and countermeasures. IEEE Symposium on Security and Privacy: 129–140. 1996. ISBN 0-8186-7417-2. doi:10.1109/SECPRI.1996.502676.
Young, Adam. Cryptoviral Extortion Using Microsoft's Crypto API: Can Crypto APIs Help the Enemy?. International Journal of Information Security (Springer-Verlag). 2006, 5 (2): 67–76. doi:10.1007/s10207-006-0082-7.

extremetech.com

Synology NAS devices targeted by hackers, demand Bitcoin ransom to decrypt files. ExtremeTech (Ziff Davis Media). [2014-08-18]. （原始内容存档于2014-08-19）.

fbi.gov

New Internet scam: Ransomware.... FBI. 2012-08-09 [2016-05-23]. （原始内容存档于2012-10-17）.

forbes.com

Fox-Brewster, Thomas. RansomWeb: Crooks Start Encrypting Websites And Demanding Thousands Of Dollars From Businesses. Forbes.com. [2016-01-12]. （原始内容存档于2020-11-08）.

fortinet.com

blog.fortinet.com

Dela Paz, Roland. Encryptor RaaS: Yet another new Ransomware-as-a-Service on the Block. 2015-07-29 [2015-08-06]. （原始内容存档于2016-05-16）.

geek.com

Disk encrypting Cryptolocker malware demands $300 to decrypt your files. Geek.com. [2013-09-12]. （原始内容存档于2016-11-04）.

gizmodo.com

Cameron, Dell. 'Bad Rabbit' Ransomware Strikes Russia and Ukraine. Gizmodo. 2017-10-24 [2017-10-24]. （原始内容存档于2020-11-12）.

heimdalsecurity.com

Andra Zaharia. Security Alert: CryptoWall 4.0 – new, enhanced and more difficult to detect. HEIMDAL. 2015-11-05 [2016-01-05]. （原始内容存档于2016-11-10）.

hs.fi

Police warn of extortion messages sent in their name. Helsingin Sanomat. [2012-03-09]. （原始内容存档于2012-03-14）.

ic3.gov

Citadel malware continues to deliver Reveton ransomware.... Internet Crime Complaint Center (IC3). 2012-11-30 [2016-05-23]. （原始内容存档于2017-03-04）.

informationsecurity.com.tw

哥斯大黎加遭 Conti 勒贖攻擊，全國進入緊急狀態. informationsecurity.com.tw.

informationweek.com

Reveton Malware Freezes PCs, Demands Payment. InformationWeek. [2012-08-16]. （原始内容存档于2013-05-14）.

infoworld.com

Update: McAfee: Cyber criminals using Android malware and ransomware the most. InfoWorld. [2013-09-16]. （原始内容存档于2014-07-02）.

justice.gov

U.S. Leads Multi-National Action Against "Gameover Zeus" Botnet and "Cryptolocker" Ransomware, Charges Botnet Administrator. Justice.gov. U.S. Department of Justice. [2014-08-18]. （原始内容存档于2014-09-03）.

kaspersky.com

Kaspersky Lab reports a new and dangerous blackmailing virus. Kaspersky Lab. 2008-06-05 [2008-06-11]. （原始内容存档于2016-04-02）.

malwarebytes.org

blog.malwarebytes.org

Cannell, Joshua. Cryptolocker Ransomware: What You Need To Know, last updated 06/02/2014. Malwarebytes Unpacked. [2013-10-19]. （原始内容存档于2016-03-14）.

networkworld.com

Schaibly, Susan. Files for ransom. Network World. 2005-09-26 [2009-04-17]. （原始内容存档于2013-10-19）.
CryptoLocker crooks charge 10 Bitcoins for second-chance decryption service. NetworkWorld. [2013-11-05]. （原始内容存档于2013-11-05）.
Constantin, Lucian. Petya ransomware is now double the trouble. NetworkWorld. [2017-06-27]. （原始内容存档于2017-07-31）（英语）.

nytimes.com

Sanger, David E.; Perlroth, Nicole; Schmitt, Eric. Scope of Russian Hack Becomes Clear: Multiple U.S. Agencies Were Hit. The New York Times. December 15, 2020 [December 15, 2020]. （原始内容存档于December 18, 2020）.

pcworld.com

McMillian, Robert. Alleged Ransomware Gang Investigated by Moscow Police. PC World. [2012-03-10]. （原始内容存档于2011-12-25）.
Encryption goof fixed in TorrentLocker file-locking malware. PC World. [2014-10-15]. （原始内容存档于2016-05-06）.
Constantian, Lucian. Police-themed Ransomware Starts Targeting US and Canadian Users. PC World. [2012-05-11]. ^{[失效連結]}
'Reveton' ransomware upgraded with powerful password stealer. PC World. [2014-10-18]. （原始内容存档于2016-04-02）.
CryptoLocker creators try to extort even more money from victims with new service. PC World. [2013-11-05]. （原始内容存档于2017-04-30）.
Malvertising campaign delivers digitally signed CryptoWall ransomware. PC World. [2015-06-25]. （原始内容存档于2016-07-19）.

rt.com

Ransomware virus plagues 75k computers across 99 countries. RT International. [2017-05-13]. （原始内容存档于2017-05-12）（美国英语）.

securelist.com

Ransomware: Fake Federal German Police (BKA) notice. SecureList (Kaspersky Lab). [2012-03-10]. （原始内容存档于2012-02-05）.
And Now, an MBR Ransomware. SecureList (Kaspersky Lab). [2012-03-10]. （原始内容存档于2012-04-14）.

securityfocus.com

Lemos, Robert. Ransomware resisting crypto cracking efforts. SecurityFocus. 2008-06-13 [2009-04-18]. （原始内容存档于2016-03-03）.

securityweek.com

"Cryptolocker Infections on the Rise; US-CERT Issues Warning" （页面存档备份，存于互联网档案馆）.

sina.com.cn

tech.sina.com.cn

安天发布措施紧急应对新型勒索软件“wannacry”. 新浪科技. [2017-05-13]. （原始内容存档于2020-08-20）.
国家互联网应急中心发布勒索软件情况通报. 新浪科技. 2017-05-13 [2017-05-13]. （原始内容存档于2021-08-01）.

smh.com.au

Grubb, Ben. Hackers lock up thousands of Australian computers, demand ransom. Sydney Morning Herald. 2014-09-17 [2014-10-15]. （原始内容存档于2014-10-20）.
Scammers use Australia Post to mask email attacks. Sydney Morning Herald. 2014-10-15 [2014-10-15]. （原始内容存档于2014-10-16）.

sophos.com

nakedsecurity.sophos.com

Destructive malware "CryptoLocker" on the loose - here's what to do. Naked Security. Sophos. [2013-10-23]. （原始内容存档于2017-05-08）.

symantec.com

Australians increasingly hit by global tide of cryptomalware. Symantec. [2014-10-15]. （原始内容存档于2016-03-29）.

techiemotto.com

What to do if Ransomware Attacks on your Windows Computer?. Techie Motto. [2016-04-25]. （原始内容存档于2016-05-23）.

techrepublic.com

Kassner, Michael. Ransomware: Extortion via the Internet. TechRepublic. [2012-03-10]. （原始内容存档于2012-06-21）.

techworld.com

news.techworld.com

Dunn, John E. Ransom Trojans spreading beyond Russian heartland. TechWorld. [2012-03-10]. （原始内容存档于2014-07-02）.
Dunn, John E. Police alert after ransom Trojan locks up 1,100 PCs. TechWorld. [2012-08-16]. （原始内容存档于2014-07-02）.
Reveton 'police ransom' malware gang head arrested in Dubai. TechWorld. [2014-10-18]. （原始内容存档于2014-12-14）.

theguardian.com

Marsh, Sarah. The NHS trusts hit by malware – full list. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-15）（英国英语）.
Hern, Alex; Gibbs, Samuel. What is 'WanaCrypt0r 2.0' ransomware and why is it attacking the NHS?. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-12）（英国英语）.
Helmore, Edward. FBI confirms DarkSide hacking group behind US pipeline shutdown. The Guardian. 2021-05-10 [2021-05-10]. （原始内容存档于2021-05-12）（英语）.
CryptoLocker attacks that hold your computer to ransom. The Guardian. [2013-10-23]. （原始内容存档于2013-11-18）.
Hern, Alex. Bad Rabbit: Game of Thrones-referencing ransomware hits Europe. Theguardian.com. 2017-10-25 [2017-10-25]. （原始内容存档于2020-11-09）.

thenextweb.com

Criminals push ransomware hosted on GitHub and SourceForge pages by spamming ‘fake nude pics’ of celebrities. TheNextWeb. [2013-07-17]. （原始内容存档于2017-02-16）.
New OS X malware holds Macs for ransom, demands $300 fine to the FBI for ‘viewing or distributing’ porn. TheNextWeb. [2013-07-17]. （原始内容存档于2017-01-03）.

theregister.co.uk

Leyden, John. Ransomware getting harder to break. The Register. 2006-07-24 [2009-04-18]. （原始内容存档于2016-12-07）.
Leyden, John. Russian cops cuff 10 ransomware Trojan suspects. The Register. [2012-03-10]. （原始内容存档于2017-02-22）.
Leyden, John. Two-thirds of Android users vulnerable to web history sniff ransomware. 2016-01-28 [2016-02-01]. （原始内容存档于2019-08-07）.
Fake cop Trojan 'detects offensive materials' on PCs, demands money. The Register. [2012-08-15]. （原始内容存档于2016-11-09）.
Leyden, Josh. Fiendish CryptoLocker ransomware: Whatever you do, don't PAY. The Register. [2013-10-18]. （原始内容存档于2016-11-10）.

threatpost.com

Brook, Chris. Author Behind Ransomware Tox Calls it Quits, Sells Platform. 2015-06-04 [2015-08-06]. （原始内容存档于2018-09-29）.

trendmicro.com

blog.trendmicro.com

New CryptoLocker Spreads via Removable Drives. Trend Micro. [2014-01-18]. （原始内容存档于2016-11-04）.
CryptoWall 3.0 Ransomware Partners With FAREIT Spyware. Trend Micro. [2015-06-25]. （原始内容存档于2016-10-18）.

washingtonpost.com

voices.washingtonpost.com

Krebs, Brian. Ransomware Encrypts Victim Files with 1,024-Bit Key. The Washington Post. 2008-06-09 [2009-04-16]. （原始内容存档于2012-05-31）.

web.archive.org

Musa, S. (2016). 5 Steps to Take on Ransomware.. [2016-05-23]. （原始内容存档于2016-07-18）.
Dunn, John E. Ransom Trojans spreading beyond Russian heartland. TechWorld. [2012-03-10]. （原始内容存档于2014-07-02）.
New Internet scam: Ransomware.... FBI. 2012-08-09 [2016-05-23]. （原始内容存档于2012-10-17）.
Citadel malware continues to deliver Reveton ransomware.... Internet Crime Complaint Center (IC3). 2012-11-30 [2016-05-23]. （原始内容存档于2017-03-04）.
Update: McAfee: Cyber criminals using Android malware and ransomware the most. InfoWorld. [2013-09-16]. （原始内容存档于2014-07-02）.
Cryptolocker victims to get files back for free. BBC News. 2014-08-06 [2014-08-18]. （原始内容存档于2014-08-09）.
FBI says crypto ransomware has raked in >$18 million for cybercriminals. Ars Technica. [2015-06-25]. （原始内容存档于2016-10-23）.
Ransomware squeezes users with bogus Windows activation demand. Computerworld. [2012-03-09]. （原始内容存档于2014-07-03）.
Police warn of extortion messages sent in their name. Helsingin Sanomat. [2012-03-09]. （原始内容存档于2012-03-14）.
McMillian, Robert. Alleged Ransomware Gang Investigated by Moscow Police. PC World. [2012-03-10]. （原始内容存档于2011-12-25）.
Ransomware: Fake Federal German Police (BKA) notice. SecureList (Kaspersky Lab). [2012-03-10]. （原始内容存档于2012-02-05）.
And Now, an MBR Ransomware. SecureList (Kaspersky Lab). [2012-03-10]. （原始内容存档于2012-04-14）.
Danchev, Dancho. New ransomware locks PCs, demands premium SMS for removal. ZDNet. 2009-04-22 [2009-05-02]. （原始内容存档于2009-04-26）.
Ransomware plays pirated Windows card, demands $143. Computerworld. [2012-03-09]. （原始内容存档于2014-07-03）.
Cheng, Jacqui. New Trojans: give us $300, or the data gets it!. Ars Technica. 2007-07-18 [2009-04-16]. （原始内容存档于2011-09-12）.
You’re infected—if you want to see your data again, pay us $300 in Bitcoins. Ars Technica. [2013-10-23]. （原始内容存档于2016-11-10）.
CryptoDefense ransomware leaves decryption key accessible. Computerworld. IDG. [2014-04-07]. （原始内容存档于2014-07-03）.
Kassner, Michael. Ransomware: Extortion via the Internet. TechRepublic. [2012-03-10]. （原始内容存档于2012-06-21）.
Schaibly, Susan. Files for ransom. Network World. 2005-09-26 [2009-04-17]. （原始内容存档于2013-10-19）.
Leyden, John. Ransomware getting harder to break. The Register. 2006-07-24 [2009-04-18]. （原始内容存档于2016-12-07）.
Naraine, Ryan. Blackmail ransomware returns with 1024-bit encryption key. ZDNet. 2008-06-06 [2009-05-03]. （原始内容存档于2008-08-03）.
Lemos, Robert. Ransomware resisting crypto cracking efforts. SecurityFocus. 2008-06-13 [2009-04-18]. （原始内容存档于2016-03-03）.
Krebs, Brian. Ransomware Encrypts Victim Files with 1,024-Bit Key. The Washington Post. 2008-06-09 [2009-04-16]. （原始内容存档于2012-05-31）.
Kaspersky Lab reports a new and dangerous blackmailing virus. Kaspersky Lab. 2008-06-05 [2008-06-11]. （原始内容存档于2016-04-02）.
Violet Blue. CryptoLocker's crimewave: A trail of millions in laundered Bitcoin. ZDNet. 2013-12-22 [2013-12-23]. （原始内容存档于2013-12-23）.
Encryption goof fixed in TorrentLocker file-locking malware. PC World. [2014-10-15]. （原始内容存档于2016-05-06）.
Cryptolocker 2.0 – new version, or copycat?. WeLiveSecurity. ESET. [2014-01-18]. （原始内容存档于2016-11-22）.
New CryptoLocker Spreads via Removable Drives. Trend Micro. [2014-01-18]. （原始内容存档于2016-11-04）.
Synology NAS devices targeted by hackers, demand Bitcoin ransom to decrypt files. ExtremeTech (Ziff Davis Media). [2014-08-18]. （原始内容存档于2014-08-19）.
Fox-Brewster, Thomas. RansomWeb: Crooks Start Encrypting Websites And Demanding Thousands Of Dollars From Businesses. Forbes.com. [2016-01-12]. （原始内容存档于2020-11-08）.
Ben Herzog. What You Can (and Can't) Do Against Ransomware. Checkpoint Technologies. 2015-08-17 [2016-03-14]. （原始内容存档于2020-12-12）.
Marsh, Sarah. The NHS trusts hit by malware – full list. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-15）（英国英语）.
Statement on reported NHS cyber attack. digital.nhs.uk. [2017-05-13]. （原始内容存档于2017-05-19）（英国英语）.
Hern, Alex; Gibbs, Samuel. What is 'WanaCrypt0r 2.0' ransomware and why is it attacking the NHS?. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-12）（英国英语）.
NHS cyber-attack: GPs and hospitals hit by ransomware. BBC News. 2017-05-13 [2017-05-13]. （原始内容存档于2017-05-12）（英国英语）.
Larson, Selena. Massive ransomware attack hits 99 countries. CNNMoney. 2017-05-12 [2017-05-13]. （原始内容存档于2017-05-21）.
Ransomware virus plagues 75k computers across 99 countries. RT International. [2017-05-13]. （原始内容存档于2017-05-12）（美国英语）.
安天发布措施紧急应对新型勒索软件“wannacry”. 新浪科技. [2017-05-13]. （原始内容存档于2020-08-20）.
cnBeta. 勒索病毒国内蔓延多地出入境系统受影响瘫痪_警告!_cnBeta.COM. cnbeta. [2017-05-13]. （原始内容存档于2021-08-01）（中文（中国大陆））.
勒索病毒来袭洛阳市这些单位办理业务受影响. 网易新闻. [2017-05-15]. （原始内容存档于2019-06-09）.
国家互联网应急中心发布勒索软件情况通报. 新浪科技. 2017-05-13 [2017-05-13]. （原始内容存档于2021-08-01）.
Sanger, David E.; Perlroth, Nicole; Schmitt, Eric. Scope of Russian Hack Becomes Clear: Multiple U.S. Agencies Were Hit. The New York Times. December 15, 2020 [December 15, 2020]. （原始内容存档于December 18, 2020）.
Helmore, Edward. FBI confirms DarkSide hacking group behind US pipeline shutdown. The Guardian. 2021-05-10 [2021-05-10]. （原始内容存档于2021-05-12）（英语）.
Leyden, John. Russian cops cuff 10 ransomware Trojan suspects. The Register. [2012-03-10]. （原始内容存档于2017-02-22）.
Criminals push ransomware hosted on GitHub and SourceForge pages by spamming ‘fake nude pics’ of celebrities. TheNextWeb. [2013-07-17]. （原始内容存档于2017-02-16）.
New OS X malware holds Macs for ransom, demands $300 fine to the FBI for ‘viewing or distributing’ porn. TheNextWeb. [2013-07-17]. （原始内容存档于2017-01-03）.
Man gets ransomware porn pop-up, goes to cops, gets arrested on child porn charges. Ars Technica. [2013-07-31]. （原始内容存档于2016-11-09）.
Leyden, John. Two-thirds of Android users vulnerable to web history sniff ransomware. 2016-01-28 [2016-02-01]. （原始内容存档于2019-08-07）.
Fake cop Trojan 'detects offensive materials' on PCs, demands money. The Register. [2012-08-15]. （原始内容存档于2016-11-09）.
Reveton Malware Freezes PCs, Demands Payment. InformationWeek. [2012-08-16]. （原始内容存档于2013-05-14）.
Dunn, John E. Police alert after ransom Trojan locks up 1,100 PCs. TechWorld. [2012-08-16]. （原始内容存档于2014-07-02）.
Reveton 'police ransom' malware gang head arrested in Dubai. TechWorld. [2014-10-18]. （原始内容存档于2014-12-14）.
'Reveton' ransomware upgraded with powerful password stealer. PC World. [2014-10-18]. （原始内容存档于2016-04-02）.
Disk encrypting Cryptolocker malware demands $300 to decrypt your files. Geek.com. [2013-09-12]. （原始内容存档于2016-11-04）.
CryptoLocker attacks that hold your computer to ransom. The Guardian. [2013-10-23]. （原始内容存档于2013-11-18）.
Destructive malware "CryptoLocker" on the loose - here's what to do. Naked Security. Sophos. [2013-10-23]. （原始内容存档于2017-05-08）.
CryptoLocker crooks charge 10 Bitcoins for second-chance decryption service. NetworkWorld. [2013-11-05]. （原始内容存档于2013-11-05）.
CryptoLocker creators try to extort even more money from victims with new service. PC World. [2013-11-05]. （原始内容存档于2017-04-30）.
Wham bam: Global Operation Tovar whacks CryptoLocker ransomware & GameOver Zeus botnet. Computerworld. IDG. [2014-08-18]. （原始内容存档于2014-07-03）.
U.S. Leads Multi-National Action Against "Gameover Zeus" Botnet and "Cryptolocker" Ransomware, Charges Botnet Administrator. Justice.gov. U.S. Department of Justice. [2014-08-18]. （原始内容存档于2014-09-03）.
Australians increasingly hit by global tide of cryptomalware. Symantec. [2014-10-15]. （原始内容存档于2016-03-29）.
Grubb, Ben. Hackers lock up thousands of Australian computers, demand ransom. Sydney Morning Herald. 2014-09-17 [2014-10-15]. （原始内容存档于2014-10-20）.
Australia specifically targeted by Cryptolocker: Symantec. ARNnet. 2014-10-03 [2014-10-15]. （原始内容存档于2014-10-07）.
Scammers use Australia Post to mask email attacks. Sydney Morning Herald. 2014-10-15 [2014-10-15]. （原始内容存档于2014-10-16）.
Ransomware attack knocks TV station off air. CSO. [2014-10-15]. （原始内容存档于2016-10-12）.
Over 9,000 (Vegeta - "OVER 9000!!!!!!!") PCs in Australia infected by TorrentLocker ransomware. CSO.com.au. [2014-12-18]. （原始内容存档于2016-11-11）.
Malvertising campaign delivers digitally signed CryptoWall ransomware. PC World. [2015-06-25]. （原始内容存档于2016-07-19）.
CryptoWall 3.0 Ransomware Partners With FAREIT Spyware. Trend Micro. [2015-06-25]. （原始内容存档于2016-10-18）.
Andra Zaharia. Security Alert: CryptoWall 4.0 – new, enhanced and more difficult to detect. HEIMDAL. 2015-11-05 [2016-01-05]. （原始内容存档于2016-11-10）.
CryptoHost Decrypted: Locks files in a password protected RAR File. BleepingComputer. [2016-04-20]. （原始内容存档于2020-11-08）（美国英语）.
CryptoHost Decrypted: Locks files in a password protected RAR File. BleepingComputer. [2016-04-20]. （原始内容存档于2020-11-08）（美国英语）.
Constantin, Lucian. Petya ransomware is now double the trouble. NetworkWorld. [2017-06-27]. （原始内容存档于2017-07-31）（英语）.
Tuesday’s massive ransomware outbreak was, in fact, something much worse. Ars Technica. [2017-06-28]. （原始内容存档于2017-07-17）（美国英语）.
Cyber-attack was about data and not money, say experts. BBC News. 2017-06-29 [2017-06-29]. （原始内容存档于2019-08-05）（英国英语）.
'Bad Rabbit' ransomware strikes Ukraine and Russia. BBC. 2017-10-24 [2017-10-24]. （原始内容存档于2021-01-06）.
Hern, Alex. Bad Rabbit: Game of Thrones-referencing ransomware hits Europe. Theguardian.com. 2017-10-25 [2017-10-25]. （原始内容存档于2020-11-09）.
Larson, Selena. New ransomware attack hits Russia and spreads around globe. CNN. 2017-10-25 [2017-10-25]. （原始内容存档于2020-11-12）.
Cameron, Dell. 'Bad Rabbit' Ransomware Strikes Russia and Ukraine. Gizmodo. 2017-10-24 [2017-10-24]. （原始内容存档于2020-11-12）.
Palmer, Danny. Bad Rabbit ransomware: A new variant of Petya is spreading, warn researchers. ZDNet. 2017-10-24 [2017-10-24]. （原始内容存档于2021-01-14）.
Brook, Chris. Author Behind Ransomware Tox Calls it Quits, Sells Platform. 2015-06-04 [2015-08-06]. （原始内容存档于2018-09-29）.
Dela Paz, Roland. Encryptor RaaS: Yet another new Ransomware-as-a-Service on the Block. 2015-07-29 [2015-08-06]. （原始内容存档于2016-05-16）.
Yuma Sun weathers malware attack. Yuma Sun. [2014-08-18]. （原始内容存档于2017-10-08）.
Cannell, Joshua. Cryptolocker Ransomware: What You Need To Know, last updated 06/02/2014. Malwarebytes Unpacked. [2013-10-19]. （原始内容存档于2016-03-14）.
Leyden, Josh. Fiendish CryptoLocker ransomware: Whatever you do, don't PAY. The Register. [2013-10-18]. （原始内容存档于2016-11-10）.
"Cryptolocker Infections on the Rise; US-CERT Issues Warning" （页面存档备份，存于互联网档案馆）.

welivesecurity.com

Cryptolocker 2.0 – new version, or copycat?. WeLiveSecurity. ESET. [2014-01-18]. （原始内容存档于2016-11-22）.

worldcat.org

Marsh, Sarah. The NHS trusts hit by malware – full list. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-15）（英国英语）.
Hern, Alex; Gibbs, Samuel. What is 'WanaCrypt0r 2.0' ransomware and why is it attacking the NHS?. The Guardian. 2017-05-12 [2017-05-13]. ISSN 0261-3077. （原始内容存档于2017-05-12）（英国英语）.

yumasun.com

Yuma Sun weathers malware attack. Yuma Sun. [2014-08-18]. （原始内容存档于2017-10-08）.

zdnet.com

blogs.zdnet.com

Danchev, Dancho. New ransomware locks PCs, demands premium SMS for removal. ZDNet. 2009-04-22 [2009-05-02]. （原始内容存档于2009-04-26）.
Naraine, Ryan. Blackmail ransomware returns with 1024-bit encryption key. ZDNet. 2008-06-06 [2009-05-03]. （原始内容存档于2008-08-03）.

zdnet.com

Violet Blue. CryptoLocker's crimewave: A trail of millions in laundered Bitcoin. ZDNet. 2013-12-22 [2013-12-23]. （原始内容存档于2013-12-23）.
Palmer, Danny. Bad Rabbit ransomware: A new variant of Petya is spreading, warn researchers. ZDNet. 2017-10-24 [2017-10-24]. （原始内容存档于2021-01-14）.