Discovered: July 17, 2007
Updated: July 17, 2007 4:28:20 PM
Also Known As: Virus.Win32.Gpcode.ai [Kaspersky], Win32/Kollah.AB [Computer Associates], Troj/GPCoder-G [Sophos], Sinowal.FY [Panda Software], PWS-JT [McAfee]
Type: Trojan
Infection Length: 58,368 bytes
Systems Affected: Windows XP, Windows NT, Windows Server 2003, Windows 2000
Trojan.Gpcoder.E is a Trojan horse that encrypts files and then prompts the user to purchase a password in order to decrypt them.
Note: Virus definitions dated July 17, 2007 or earlier detect this threat as Infostealer.Banker.C.
Protection
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Initial Rapid Release version July 17, 2007 revision 009
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Latest Rapid Release version May 11, 2009 revision 019
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Initial Daily Certified version July 18, 2007 revision 004
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Latest Daily Certified version May 11, 2009 revision 034
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Initial Weekly Certified release date July 18, 2007
Click for a more detailed description of Rapid Release and Daily Certified virus definitions.
Threat Assessment
Wild
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Wild Level: Low
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Number of Infections: 0 - 49
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Number of Sites: 0 - 2
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Geographical Distribution: Low
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Threat Containment: Easy
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Removal: Easy
Damage
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Damage Level: Low
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Payload: Encrypts certain file types on the compromised computer.
Opens a back door.
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Releases Confidential Info: May steal sensitive information.
Distribution
Writeup By: Elia Florio