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Virus:TR/Yakes.SK
Type:Trojan
In the wild:No
Reported Infections:Medium to high
Distribution Potential:Low
Damage Potential:Low to medium
Static file:Yes
File size:44.544 Bytes
MD5 checksum:2ae0c8297c0b9d777895096f209ed8ff

 General Method of propagation:
   • No own spreading routine


Aliases:
   •  Kaspersky: Trojan.Win32.Yakes.jyh
   •  Sophos: Troj/Agent-UBJ
   •  Bitdefender: Trojan.Generic.6904855
   •  Eset: Win32/TrojanDownloader.Agent.QXN
     DrWeb: Trojan.Siggen.65070


Platforms / OS:
   • Windows 2000
   • Windows XP
   • Windows 2003
    Windows Vista
    Windows Server 2008
    Windows 7


Side effects:
   • Registry modification

 Files It copies itself to the following location:
   • %ALLUSERSPROFILE%\Local Settings\Temp\%16 digit random character string%.exe



It deletes the initially executed copy of itself.

 Registry The following registry key is added in order to run the process after reboot:

[HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Explorer\
   Run]
   • "%random numbers%"="%ALLUSERSPROFILE%\LOCALS~1\Temp\%16 digit random character string%.exe"

 Injection     Process name:
   • svchost.exe


 Miscellaneous Accesses internet resources:
   • HOST : mamtumbochka766.ru
   • HOST : followmego12.ru
   • HOST : losokorot7621.ru
   • HOST : hidemyfass87111.ru

 File details Runtime packer:
In order to aggravate detection and reduce size of the file it is packed with the following runtime packer:
   • UPX

Description inserted by Jason Soo on Friday, November 18, 2011
Description updated by Lutz Koch on Friday, November 18, 2011

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