Trojan.Rustock
Posted: April 12, 2010
Threat Metric
The following fields listed on the Threat Meter containing a specific value, are explained in detail below:
Threat Level: The threat level scale goes from 1 to 10 where 10 is the highest level of severity and 1 is the lowest level of severity. Each specific level is relative to the threat's consistent assessed behaviors collected from SpyHunter's risk assessment model.
Detection Count: The collective number of confirmed and suspected cases of a particular malware threat. The detection count is calculated from infected PCs retrieved from diagnostic and scan log reports generated by SpyHunter.
Volume Count: Similar to the detection count, the Volume Count is specifically based on the number of confirmed and suspected threats infecting systems on a daily basis. High volume counts usually represent a popular threat but may or may not have infected a large number of systems. High detection count threats could lay dormant and have a low volume count. Criteria for Volume Count is relative to a daily detection count.
Trend Path: The Trend Path, utilizing an up arrow, down arrow or equal symbol, represents the level of recent movement of a particular threat. Up arrows represent an increase, down arrows represent a decline and the equal symbol represent no change to a threat's recent movement.
% Impact (Last 7 Days): This demonstrates a 7-day period change in the frequency of a malware threat infecting PCs. The percentage impact correlates directly to the current Trend Path to determine a rise or decline in the percentage.
| 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.dllSize: 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.exeSize: 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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