Trojan.Downloader.Vundo.J
Posted: October 8, 2012
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 |
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Infected PCs: | 33 |
First Seen: | October 8, 2012 |
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OS(es) Affected: | Windows |
TrojanDownloader:Win32/Vundo.J is a Trojan downloader that may download and execute arbitrary files on the affected computer.
TrojanDownloader:Win32/Vundo.J belongs to the Win32/Vundo family, a multiple-component family of programs that distribute 'out of context' pop-up advertisements. Once installed on the infected computer system, TrojanDownloader:Win32/Vundo.J makes system changes by modifying the Windows Registry and dropping potentially malicious files. TrojanDownloader:Win32/Vundo.J invades the vulnerable PC with an icon and version information that differs between samples, which is an executable file with a random name. TrojanDownloader:Win32/Vundo.J starts for the first time when the executable file is opened or run. To install itself on the affected computer, TrojanDownloader:Win32/Vundo.J uses the certain version information, which will show in Windows Explorer in the Tiles view. TrojanDownloader:Win32/Vundo.J may use the names, such as Symantec Shared Component, ESET Smart Security and Borland Remote Debugging Server as a form of social engineering to urge the PC user to open or run the .exe file. TrojanDownloader:Win32/Vundo.J uses the certain icons which have been copied by cybercriminals from legitimate applications.
Aliases
More aliases (176)
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:%APPDATA%\773A.exe
File name: 773A.exeSize: 214.52 KB (214528 bytes)
MD5: 1a4e970d540476f50b42dd09cc3d2e56
Detection count: 86
File type: Executable File
Mime Type: unknown/exe
Path: %APPDATA%
Group: Malware file
Last Updated: October 8, 2012
%WINDIR%\system32\tuitjel.dll
File name: tuitjel.dllSize: 43 KB (43008 bytes)
MD5: e5e25ec02821506208ffd136819659f2
Detection count: 82
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: January 29, 2013
%USERPROFILE%\Documents\Iterra\ctivkuf.dll
File name: ctivkuf.dllSize: 42.49 KB (42496 bytes)
MD5: eab0ec6acb884318019e8e0008ff263c
Detection count: 33
File type: Dynamic link library
Mime Type: unknown/dll
Path: %USERPROFILE%\Documents\Iterra
Group: Malware file
Last Updated: January 21, 2013
%WINDIR%\system32\tpnvnmb.dll
File name: tpnvnmb.dllSize: 43 KB (43008 bytes)
MD5: f65838a463202fc9b16526a1c31c8baf
Detection count: 7
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: February 22, 2013
%WINDIR%\system32\vaymcyl.dll
File name: vaymcyl.dllSize: 53.76 KB (53760 bytes)
MD5: a7add8058dde29973cb8bb4a34b1c539
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: February 22, 2013
%WINDIR%\system32\yxsuzlc.dll
File name: yxsuzlc.dllSize: 42.49 KB (42496 bytes)
MD5: 63b34123956a443f636771ede53f98e0
Detection count: 5
File type: Dynamic link library
Mime Type: unknown/dll
Path: %WINDIR%\system32
Group: Malware file
Last Updated: February 11, 2013
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