Networks Held for Ransom

© Jeff Orloff

Mar 17, 2006

As the war against network viruses and malware continues, a new type of malicious file is starting to rear its ugly head. Cryzip or Zippo.a trojans have been spreadin


Computers and networks infected with the Cryzip/Zippo.a virus run the risk of having Word documents (.doc) and 43 other files types locked until the owner pays a $300 ransom to one of 99 bank accounts. Once the ransom is paid, the user receives a password to unlock the files.

This type of malware, referred to as Ransomware, is rare but is starting to show itself more and more. Last May, a California based company found a piece of ransomware demanding a $200 fee.

Users infected with the Cryzip/Zippo.a trojan can use the following password to unencrypt their files:

C:\Program Files\Microsoft Visual Studio\VC98

This password was verified by both Sophos and LURHQ anti-virus vendors. Removal tools for the trojan and other information can be found:

Symantec - Norton

McAfee


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