Internet threat level: 1
Home→Descriptions→Trojan-Downloader.Win32.Small.epy
Trojan-Downloader.Win32.Small.epy
| Detected | May 17 2007 19:09 GMT |
| Released | May 17 2007 19:09 GMT |
| Published | Jun 22 2007 08:39 GMT |
Payload
Removal instructions
Technical Details
This Trojan downloads other programs via the Internet and launches them on the victim machine without the user’s knowledge or consent. It is a Windows PE EXE file. It is approximately 6KB in size.Payload
The Trojan constantly searches for windows of the following class: “AVP.AlertDialog”. Within this window it will emulate clicking on the following buttons: "Razreshit" [‘Allow' in Russian]”, "Razreshit odnokratno" ['Allow once' in Russian] “Allow”, “Skip”, “Sozdat’ pravilo dlya" [‘Create rule for’ in Russian]“, "Create rule for". It will close windows of the class “AVP.Product_Notification”.
The Trojan downloads files from the following URLs:
http://coco32.org/***/exp/reHzE4Is.php http://coco32.org/***/ld2/1.jpg?0 http://coco32.org/***/ld2/0.jpg?0 http://coco32.org/***/ld2/1.jpg?1 http://coco32.org/***/ld2/0.jpg?1 http://coco32.org/***/ld2/1.jpg?2 http://coco32.org/***/ld2/0.jpg?2 http://coco32.org/***/ld2/1.jpg?3 http://coco32.org/***/ld2/0.jpg?3 http://coco32.org/***/ld2/1.jpg?4 http://coco32.org/***/ld2/0.jpg?4 http://coco32.org/***/ld2/1.jpg?5 http://coco32.org/***/ld2/0.jpg?5 http://coco32.org/***/ld2/1.jpg?6 http://coco32.org/***/ld2/0.jpg?6 http://coco32.org/***/ld2/1.jpg?7 http://coco32.org/***/ld2/0.jpg?7 http://coco32.org/***/ld2/1.jpg?8 http://coco32.org/***/ld2/0.jpg?8 http://coco32.org/***/ld2/1.jpg?9 http://coco32.org/***/ld2/0.jpg?9 http://coco32.org/***/ldr/pussy.php?0 http://coco32.org/***/ldr/pussy.php?1 http://coco32.org/***/ldr/pussy.php?2 http://coco32.org/***/ldr/pussy.php?3 http://coco32.org/***/ldr/pussy.php?4 http://coco32.org/***/ldr/pussy.php?5 http://coco32.org/***/ldr/pussy.php?6 http://coco32.org/***/ldr/pussy.php?7 http://coco32.org/***/ldr/pussy.php?8 http://coco32.org/***/ldr/pussy.php?9
It will save downloaded files under a random name to the temporary directory (%Temp%). Files will be launched for execution as soon as they have been downloaded and saved. At the time of writing, the links above were not working. Once it has completed its infection routine, the Trojan deletes its executable file.
Removal instructions
If your computer does not have an up-to-date antivirus, or does not have an antivirus solution at all, follow the instructions below to delete the malicious program:
- Use Task Manager to terminate the Trojan process.
- Delete the original Trojan file (the location will depend on how the program originally penetrated the victim machine).
- Empty the temporary directory (%Temp%).
- 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.
- Trojan.
Downloader-9058 (ClamAV) - Trj/Downloader.
MDW (Panda) - VirTool:
Win32/Obfuscator. P (MS(OneCare)) - Trojan.
Packed. 166 (DrWeb) - DeepScan:
Generic. Malware. Bdld!!. AD3526DC (BitDef7) - Trojan.
DR. Cimuz. Gen. 1 (VirusBuster) - Trojan Horse (NAV)
- Downloader-BED (NAI)
- Packer.
RyCrypt (Rising)
© 1997-2013 Kaspersky Lab ZAO. All Rights Reserved.
Industry-leading Antivirus Software.
Registered trademarks and service marks are the property of their respective owners.
The authors' opinions do not necessarily reflect the official positions of Kaspersky Lab.