Home Malware Programs Backdoors Backdoor.Tidserv.J

Backdoor.Tidserv.J

Posted: January 12, 2010

Backdoor.Tidserv.J is a malicious Trojan which downloads files from a remote location, and is able to modify system settings to drop malicious files on the infected system. Backdoor.Tidserv.J may also add unwanted plug-ins to Internet Explorer for secretly monitoring web activities. Backdoor.Tidserv.J poses a severe threat to PC security and should be removed once detected.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %Temp%\H8SRT[RANDOM HEXADECIMAL DIGITS FILE NAME ONE].tmp
    2 %Temp%\H8SRT[RANDOM HEXADECIMAL DIGITS FILE NAME THREE].tmp
    3 %Windir%\system32\drivers\H8SRT[TEN RANDOM CHARACTERS].sys
    4 %Windir%\system32\H8SRT[TEN RANDOM CHARACTERS].dat
    5 %Windir%\system32\H8SRT[TEN RANDOM CHARACTERS].dll

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKEY_LOCAL_MACHINE\SOFTWARE\H8SRTHKEY..\..\..\..{RegistryKeys}HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\H8SRTd.sys

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