Home Malware Programs Trojans Trojan.Win32.Agent.crhz

Trojan.Win32.Agent.crhz

Posted: December 9, 2009

Trojan.Win32.Agent.crhz is a malicious Trojan that runs in the background undetected after being installed through a devious exploit. Trojan.Win32.Agent.crhz can download a multitude of harmful malware and unwanted software onto the infected computer. Other symptoms include opening illicit network connections, self-mutation and the ability to disable weak software security. Risks which may prove detrimental to the computer user include the transmission of personal information to hackers. Trojan.Win32.Agent.crhz can also severely degrade the performance of your computer and should be terminated immediately.

Aliases

Trojan:Win32/Obvesa.A (Microsoft)
Win32/Dzan.E (AhnLab)

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %ProgramFiles%\Windows NT\fsdd.log
    2 %System%\Setup\licxnoc.dll
    3 %System%\temp.dll
    4 %Windir%\INETINFO.exe
    5 %Windir%\inf\pp3.inf
    6 %Windir%\messenger\messenger.exe

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}[HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run]HKEY..\..\..\..{RegistryKeys}[HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Control\ServiceCurrent][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NETRA\0000\Control][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NETRA\0000][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Enum\Root\LEGACY_NETRA][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\netra\Enum][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\netra\Security][HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\Services\netra][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\ServiceCurrent][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NETRA\0000\Control][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NETRA\0000][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NETRA][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\netra\Enum][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\netra\Security][HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\netra]HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\..{RunKeys}[HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
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