Internet threat level: 1
Home→Descriptions→Trojan-Downloader.Win32.Agent.bl
Trojan-Downloader.Win32.Agent.bl
| Detected | Jul 26 2004 12:51 GMT |
| Released | Jul 26 2004 12:51 GMT |
| Published | Aug 08 2006 14:40 GMT |
Payload
Removal instructions
Technical Details
This Trojan program downloads files via the Internet without the user's knowledge or consent.
The Trojan itself is a Windows PE EXE file; this size of this file may vary from 1KB to 9KB.
Payload
Once launched, the Trojan waits for the victim machine to connect to the Internet. It then attempts to download a file from http://www.onlyy.net/***/111.dat (at the time of writing, this site was not functioning) and save it to the following file:
C:\ntldr.pif
This file will then be launched for execution.
The URL may vary depending on the Trojan version.
Removal instructions
- Delete the original Trojan file (its location will depend on how the malicious program originally penetrated the victim machine).
- Delete the file downloaded by the Trojan:
C:\ntldr.pif
- Update your antivirus databases and perform a full scan of the computer (download a trial version of Kaspersky Anti-Virus).
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.
Trojan-Downloader.
- TrojanDownloader.
Win32. Agent. bl (Kaspersky Lab) - Mal/DownLdr-AC (Sophos)
- Suspect.
Trojan. Generic. FD-10 (ClamAV) - Trojan.
Downloader. Small-1689 (ClamAV) - Heuristic.
WinPE-Statistical (Panda) - W32/Downloader-Sml!Eldorado (FPROT)
- TrojanDownloader:
Win32/Small. FL (MS(OneCare)) - Trojan.
Atmaca. 20 (DrWeb) - Dropped:
Generic. Malware. dld!!. 44F4B2AF (BitDef7) - Generic.
Malware. dld!!. 44F4B2AF (BitDef7) - Packed/FSG (VirusBuster)
- Win32:
Agent-DDH [Trj] (AVAST) - Trojan-Dropper.
Agent (Ikarus) - Downloader.
Agent. 7. AC (AVG) - Downloader.
Trojan (NAV) - NseCheckFile2() returned 0x00010018 (Norman)
- Packed/FSG (VirusBusterBeta)
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