TROJ_GENKEY.AG

October 28, 2010
 PLATFORM:

Windows 98, ME, NT, 2000, XP, Server 2003

 OVERALL RISK RATING:
 DAMAGE POTENTIAL:
 DISTRIBUTION POTENTIAL:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type:

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes


  TECHNICAL DETAILS

File Size:

115200 bytes

Memory Resident:

Yes

Initial Samples Received Date:

17 Dec 2009


Other Details


This Trojan adds the following lines or registry entries as part of its routine:


  • HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Shell Extensions
    msgone={malware path and filename}

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Shell Extensions
    intime=12/14/2009, 07:33 AM

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Windows\CURRENTVERSION\Shell Extensions
    reup=cf8

    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\MICROSOFT\Windows\WindowsUpdate
    DoNotAllowXPSP2=1

    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\MICROSOFT\WINDOWS NT\Windows File Protection
    SFCDisable=ffffff9d

    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\MICROSOFT\WINDOWS NT\Windows File Protection
    SFCScan=0

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Security Center
    AntiVirusDisableNotify=1

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Security Center
    AntiVirusOverride=1

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Security Center
    FirewallDisableNotify=1

    HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\Security Center
    FirewallOverride=1

    HKEY_LOCAL_MACHINE\SOFTWARE\Policies\MICROSOFT\MRT
    DontReportInfectionInformation=1


      SOLUTION


    Step 1


    Terminate the malware/grayware/spyware process:

    [ Learn More ]
    Notes=
  • For Windows 98 and ME users, Windows Task Manager may not display all running processes. In this case, please use a third-party process viewer, preferably Process Explorer, to terminate the malware/grayware/spyware file. You may download the said tool here.
  • If the detected file is displayed in either Windows Task Manager or Process Explorer but you cannot delete it, restart your computer in safe mode. To do this, refer to this link for the complete steps.
  • If the detected file is not displayed in either Windows Task Manager or Process Explorer, continue doing the next steps.


    • Step 2


    Scan your computer with your Trend Micro product to delete files detected as
    TROJ_GENKEY.AG

    *Note: If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.


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