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The Internet threat alert status is currently normal. At present, no major epidemics or other serious incidents have been recorded by Kaspersky Lab’s monitoring service. Internet threat level: 1

Trojan-Downloader.Win32.VB.ahql

Detected Apr 12 2011 09:30 GMT
Released Apr 12 2011 16:07 GMT
Published Oct 10 2011 07:16 GMT

Technical Details
Payload
Removal instructions

Technical Details

A trojan program that downloads files from the internet without the user's knowledge and launches them. It is a Windows application (PE-EXE file). 6144 bytes. UPX packed. Its unpacked size is around 16 kB. Written in Visual Basic.


Payload

When launching, the trojan opens the following link in the Internet Explorer browser:

http://avqvod.***00.org:6600/vb.htm?977ai
The link did not work when preparing the description.

The trojan then shuts down.


Removal instructions

If your computer has not been protected with anti-virus software and has been infected with malware, you will need to take the following actions to delete this:

  1. Delete the original program file (its location on the infected computer will depend on how the program got onto the computer).
  2. Run a full Kaspersky Antivirus scan of the computer with updated antivirus databases (download trial version).


MD5: 0293936286faf4663b90a2149180a25a
SHA1: 90540bb5749cb557665fb707a6a4b3977d2274c1


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Trojan-Downloader

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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