Internet threat level: 1
Home→Descriptions→Trojan-Downloader.Win32.Small.axk
Trojan-Downloader.Win32.Small.axk
| Detected | Apr 12 2006 15:55 GMT |
| Released | Apr 12 2006 15:55 GMT |
| Published | Apr 21 2006 13:28 GMT |
Payload
Technical Details
This Trojan is a Windows PE EXE file 14,848 bytes in size, packed using UPX. The unpacked file is approximately 32KB in size.
Once launched, the Trojan creates the following file in the Windows system directory:
The original file will then be deleted.
Payload
The DLL file infects the IEXPLORER process (opens it with all possible privileges and writes its data to the address space). IEXPLORER then attempts to download other files via the Internet and launch them on the victim machine.
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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