1. Symantec/
  2. Security Response/
  3. Trojan.Gpcoder.E


Risk Level 1: Very Low

July 17, 2007
August 6, 2015 3:46:15 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]
Infection Length:
58,368 bytes
Systems Affected:
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.

For more information, please see the following resources:
The dawn of ransomwear: How ransomware could move to wearable devices

Antivirus Protection Dates

  • Initial Rapid Release version July 17, 2007 revision 009
  • Latest Rapid Release version August 8, 2016 revision 023
  • Initial Daily Certified version July 18, 2007 revision 004
  • Latest Daily Certified version August 9, 2016 revision 001
  • Initial Weekly Certified release date July 18, 2007
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.
Writeup By: Elia Florio

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STAR Antimalware Protection Technologies
2016 Internet Security Threat Report, Volume 21
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