Trojan.Gpcoder.E

Risk Level 1: Very Low

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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

  • Initial Rapid Release version July 17, 2007 revision 009
  • Latest Rapid Release version May 11, 2009 revision 019
  • Initial Daily Certified version July 18, 2007 revision 004
  • Latest Daily Certified version May 11, 2009 revision 034
  • Initial Weekly Certified release date July 18, 2007

Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment

Wild

  • Wild Level: Low
  • Number of Infections: 0 - 49
  • Number of Sites: 0 - 2
  • Geographical Distribution: Low
  • Threat Containment: Easy
  • Removal: Easy

Damage

  • Damage Level: Low
  • Payload: Encrypts certain file types on the compromised computer.
    Opens a back door.
  • Releases Confidential Info: May steal sensitive information.

Distribution

  • Distribution Level: Low

Writeup By: Elia Florio
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