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  3. Trojan.Miuref


Risk Level 1: Very Low

January 15, 2014
January 22, 2014 3:58:50 PM
Systems Affected:
Windows 2000, Windows 7, Windows NT, Windows Vista, Windows XP
Trojan.Miuref is a Trojan horse that may download malicious files on to the compromised computer. It may also use the compromised computer to perform click fraud.

Antivirus Protection Dates

  • Initial Rapid Release version January 15, 2014 revision 020
  • Latest Rapid Release version April 23, 2015 revision 039
  • Initial Daily Certified version January 15, 2014 revision 032
  • Latest Daily Certified version April 23, 2015 revision 048
  • Initial Weekly Certified release date January 22, 2014
Click here for a more detailed description of Rapid Release and Daily Certified virus definitions.

Threat Assessment


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


  • Damage Level: Medium
  • Payload: Downloads malicious files and performs click fraud.


  • Distribution Level: Low
Note: On May 14, 2015, modifications will be made to the threat write-ups to streamline the content. The Threat Assessment section will no longer be published as this section is no longer relevant to today's threat landscape. The Risk Level will continue to be the main threat risk assessment indicator.
Writeup By: Andrea Lelli

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