Home Malware Programs Trojans Trojan.Rustock

Trojan.Rustock

Posted: April 12, 2010

Threat Metric

Threat Level: 8/10
Infected PCs: 56
First Seen: January 19, 2011
OS(es) Affected: Windows

Trojan.Rustock is a malicious Trojan program that downloads files to the local computer which may be a security risk. Trojan.Rustock installs a default debugger that is injected into the execution sequence of a target program. If a threat is installed as a default debugger it, will run each time a compromised program is started, either to imitate it and hide its own presence, for instance, an open port or a running process, or just to be activated as often as possible.

File System Modifications

  • The following files were created in the system:
    # File Name
    1 %Windir%\braviax.exe
    2 %Windir%\lzx32.sys
    3 %Windir%\xpdx.sys
    4 secure32.html

Registry Modifications

  • The following newly produced Registry Values are:
    HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = c:\secure32.htmlHKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main,Local Page = c:\secure32.htmlHKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Ext\Stats\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9A2}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9A2}HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9A2}HKEY_LOCAL_MACHINE\Software\Microsoft\Internet Explorer\Main,Local Page = c:\secure32.htmlHKEY..\..\..\..{RegistryKeys}HKEY_CLASSES_ROOT\CLSID\{0CB66BA8-5E1F-4963-93D1-E1D6B78FE9A2}HKEY_CLASSES_ROOT\TypeLib\{A8954909-1F0F-41A5-A7FA-3B376D69E226}HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\..{RunKeys}HKEY_LOCAL_MACHINE\SOFTWARE\MICROSOFT\WINDOWS\CURRENTVERSION\RUN “braviax.exe”

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%TEMP%\Adobe\AdobeRdrPlug.dll File name: AdobeRdrPlug.dll
Size: 42.76 KB (42760 bytes)
MD5: 0a43f8590d69fe700f741303d7f04980
Detection count: 49
File type: Dynamic link library
Mime Type: unknown/dll
Path: %TEMP%\Adobe
Group: Malware file
Last Updated: January 27, 2011
%USERPROFILE%\My Documents\My Received Files\DVDFabGold4050.exe File name: DVDFabGold4050.exe
Size: 3.68 MB (3689480 bytes)
MD5: 209b118213ce5518b3379899f639816b
Detection count: 7
File type: Executable File
Mime Type: unknown/exe
Path: %USERPROFILE%\My Documents\My Received Files
Group: Malware file
Last Updated: January 25, 2011
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