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The Hacker News - Cybersecurity News and Analysis: Dorkbot

Rodpicom Botnet spreading via Skype and MSN Messenger

Rodpicom Botnet spreading via Skype and MSN Messenger

February 10, 2013Mohit Kumar
Malwares are getting updated during the age of social networking. FortiGuard Labs researchers have discovered a new malware called ' Rodpicom Botnet ' that spreads via messaging applications such as Skype and MSN Messenger. Dubbed W32/Rodpicom.A - Rodpicom Botnet sends a message to the victim with a link to a malicious site that leads to downloadable content. When the user clicks the link, the attack downloads another strain of malware, known as Dorkbot . Once the target machine is infected, it checks to see if the victim is using any messaging applications such as Skype or MSN Messenger.  It is revealed that, the malware employs new stealth tactics, including an exception handling technique that generates its own error to dodge analysis and relies on an anti-emulator that attacks the heuristic-scanning capabilities in antivirus software and enables its code to jump around several hundred times. The malware is enough smart to checks the language of the installed operating
Ransomware malware targeting Skype users

Ransomware malware targeting Skype users

October 08, 2012Mohit Kumar
Security firm Trend Micro discovered a new worm targeting Skype users with spam messages designed to infect machines with the Dorkbot ransomware has been discovered. A malicious worm is taking advantage of the Skype API to spam out messages that link to a ZIP files ie. skype_06102012_image.zip or skype_08102012_image.zip, which is actually detected as Troj/Agent-YCW or Troj/Agent-YDC by Antivirus. According to definition -  Ransomware is a form of malware in which rogue software code effectively holds a user's computer hostage until a "ransom" fee is paid. Ransomware often infiltrates a PC as a computer worm or Trojan horse that takes advantage of open security vulnerabilities. Most ransomware attacks are the result of clicking on an infected e-mail attachment or visiting a hacked website. The message contains the question: "lol is this your new profile pic? h__p://goo.gl/{BLOCKED}5q1sx?img=username" or "moin, kaum zu glauben was für schöne fotos von dir auf deinem
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