Troj/Plugx-G
Posted: February 28, 2013
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: | 5/10 |
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Infected PCs: | 7 |
First Seen: | February 28, 2013 |
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Last Seen: | May 11, 2020 |
OS(es) Affected: | Windows |
Troj/Plugx-G is a Trojan that is included in a targeted attack against Tibetan activists abusing Nvidia file to load malware.
The malware attack delivering Troj/Plugx-G uses an Nvidia application vulnerable to DLL preloading. The malware attack bears a RTF (Rich Text Format) document via the email that's rigged with an exploit for a Microsoft Office vulnerability. The document poses as a statement from the Tibetan Youth Congress. If opened on an affected computer system that doesn't have the corresponding Microsoft Office patch, the exploit drops and runs a self-extracting WinRAR archive that distributes the potentially malicious files. Nv.exe is executed subsequently.
The version of Nv.exe downloaded by this exploit is vulnerable to an attack called DLL preloading, also known as DLL sideloading, DLL hijacking, or binary planting. Nv.exe is programmed to load NvSmartMax.dll, which the attackers have substituted with a malevolent one. When the legitimate Nv.exe is executed, it will automatically load the malevolent NvSmartMax.dll located in the same directory as itself. The malicious NvSmartMax.dll is programmed to further load NvSmartMax.dll.url, which is a copy of PlugX, a known remote access tool (RAT) detected as Troj/Plugx-G. The attack associated with Troj/Plugx-G is created to hack the vulnerable computer and allow the attacker to gain full remote access and control of the compromised PC.
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:404adf544ab649fb006c89ab2559f434
File name: 404adf544ab649fb006c89ab2559f434Size: 41.47 KB (41472 bytes)
MD5: 404adf544ab649fb006c89ab2559f434
Detection count: 99
Group: Malware file
Last Updated: March 5, 2013
hccutils.dll
File name: hccutils.dllSize: 41.98 KB (41984 bytes)
MD5: 2910076a244e57de342b1f080c8e50a9
Detection count: 98
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: March 5, 2013
3f14943619aa18785f42549e80ae73e4
File name: 3f14943619aa18785f42549e80ae73e4Size: 41.98 KB (41984 bytes)
MD5: 3f14943619aa18785f42549e80ae73e4
Detection count: 1
Group: Malware file
Last Updated: March 5, 2013
Nv.exe
File name: Nv.exeFile type: Executable File
Mime Type: unknown/exe
Group: Malware file
NvSmartMax.dll.url
File name: NvSmartMax.dll.urlMime Type: unknown/url
Group: Malware file
NvSmartMax.dll
File name: NvSmartMax.dllSize: 49.15 KB (49152 bytes)
MD5: d659d95d46f71f172cd4f2aca9532949
Detection count: 0
File type: Dynamic link library
Mime Type: unknown/dll
Group: Malware file
Last Updated: March 5, 2013
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