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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.Agent.gdmw

Detected Apr 06 2011 06:29 GMT
Released Apr 12 2011 07:45 GMT
Published Sep 09 2011 14:27 GMT

Manual description Auto description
This description was created by experts at Kaspersky Lab. It contains the most accurate information available about this program.

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). 7680 bytes. UPX packed. Unpacked size – around 15 kB. Written in C++.


Payload

When launching, the trojan looks for and carries out the following processes within the system: The trojan then downloads a file from the following link:

http://178.***.164.141/IMG_0100.jpg
The link did not work when creating the description.

The downloaded files are saved in the current user's temporary file directory under the following names:
%Temp%\<rnd>.exe
Where <rnd> is a sequence of random digits.

The trojan is deleted when reloading the original file.


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:

  • Delete the original program file (its location on the infected computer will depend on how the program got onto the computer).
  • Delete the file downloaded by the trojan:
    %Temp%\<rnd>.exe
  • Run a full Kaspersky Antivirus scan of the computer with updated antivirus databases (download trial version).

MD5: 5273d81583ed14a94fef57bf3cd9b398
SHA1: c1ddfc8fcaffa90e57a4b242b1c23668616a2941


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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.


Other versions

Aliases

Trojan-Downloader.Win32.Agent.gdmw (Kaspersky Lab) is also known as:

  • Generic Trojan (Panda)
  • Win32/TrojanDownloader.Boaxxe.AB trojan (Nod32)
  • Trojan.Generic.5860157 (BitDef7)
  • Win32:Downloader-GIV [Trj] (AVAST)
  • Trojan-Downloader.Agent2 (Ikarus)
  • Downloader.Generic11.QAY (AVG)
  • Trojan.Gen (NAV)
  • NseCheckFile2() returned 0x00010018 (Norman)