Internet threat level: 1
Home→Descriptions→Trojan-Downloader.Win32.VB.aert
Trojan-Downloader.Win32.VB.aert
| Detected | Jan 21 2011 04:20 GMT |
| Released | Jan 21 2011 09:23 GMT |
| Published | Mar 22 2011 08:33 GMT |
Payload
Removal instructions
Technical Details
This Trojan downloads other programs to the computer without the user's knowledge. It is a Windows application (PE EXE file). It is 20 480 bytes in size. It is written in Visual Basic.
Payload
Once launched, the Trojan downloads files from the following URL addresses:
http://www.imo***strp.com/admin/patria/banners/images/assistente/ mural/smiles/1.jpg http://www.imo***strp.com/admin/patria/banners/images/assistente/ mural/smiles/2.jpg http://www.imo***strp.com/admin/patria/banners/images/assistente/ mural/smiles/3.jpgAt the time of writing, these links were inactive.
The Trojan saves the downloaded files under the following names, in corresponding order:
%userprofile%\winipxp.exe %userprofile%\cmdwinxp.exe %userprofile%\winserv.exeThe Trojan then launches the downloaded files for execution and ceases running.
Removal instructions
If your computer does not have an antivirus, and is infected by this malicious program, follow the instructions below to delete it:
- Delete the original Trojan file (its location will depend on how the program originally penetrated the infected computer).
- Delete the following files:
%userprofile%\winipxp.exe %userprofile%\cmdwinxp.exe %userprofile%\winserv.exe
- Perform a full scan of the computer using Kaspersky Anti-Virus with up-to-date antivirus databases (download a trial version).
Programs classified as Trojan-Downloader download and install new versions of malicious programs, including Trojans and AdWare, on victim computers. Once downloaded from the Internet, the programs are launched or included on a list of programs which will run automatically when the operating system boots up.
Information about the names and locations of the programs which are downloaded are in the Trojan code, or are downloaded by the Trojan from an Internet resource (usually a web page).
This type of malicious program is frequently used in the initial infection of visitors to websites which contain exploits.
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