what does a trojan.peacomm do?

Answer 1

trojans allow others to remotely access and control your computer. the version is a different 'backdoor' that the program uses

Answer 2

Once the computer is infected, Trojan.Peacomm attempts to establish peer-to-peer communication on UDP port 4000 with a small list of IP addresses, in order to download and execute more malicious files. If you use a personal firewall with egress filtering, you will be notified that the services.exe process is attempting to connect to a remote address on this port.

Answer 3

its a bad one

Trojan registers the compromised computer as a peer in the existing peer-to-peer network, using the Overnet protocol by connecting to the peers specified in the initial peer list.
Note: the Overnet protocol is used by some file sharing applications, however Peacomm uses its own private network.

The peer-to-peer network can then be used by a malicious user to retrieve information on what files to download and execute. It also retrieves information of additional peers and updates its own peer list file with the gathered information.

more info
http://www.symantec.com/security_response/writeup.jsp?docid=2007-011917-1403-99&tabid=2
removal
http://www.symantec.com/security_response/writeup.jsp?docid=2007-011917-1403-99&tabid=3

Answer 4

Trojan.Peacomm
Risk Level 3: Moderate

* SUMMARY
* TECHNICAL DETAILS
* REMOVAL

Discovered: January 19, 2007
Updated: January 19, 2007 6:52:29 PM
Also Known As: Small.DAM [F-Secure], CME-711 [Common Malware Enumeration], Troj/Dorf-Fam [Sophos], Downloader-BAI!M711 [McAfee], TROJ_SMALL.EDW [Trend], W32/Tibs [Norman]
Type: Trojan
Infection Length: 29,347 bytes; 30,720 bytes; 32,387 bytes; 34,816 bytes (varies)
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

Trojan.Peacomm is a Trojan horse that drops a driver program file to download another program. It is reportedly attached to spammed email. It may also be dropped by W32.Mixor.Q@mm.

Trojan.Peacomm reportedly arrives as an attachment to a spammed email with the following characteristics:

Subject:
One of the following:

* A killer at 11, he's free at 21 and kill again!
* U.S. Secretary of State Condoleezza Rice has kicked German Chancellor Angela Merkel
* British Muslims Genocide
* Naked teens attack home director.
* 230 dead as storm batters Europe.
* Re: Your text
* Radical Muslim drinking enemies's blood.
* Chinese missile shot down Russian satellite
* Chinese missile shot down Russian aircraft
* Chinese missile shot down USA aircraft
* Chinese missile shot down USA satellite
* Russian missile shot down USA aircraft
* Russian missile shot down USA satellite
* Russian missile shot down Chinese aircraft
* Russian missile shot down Chinese satellite
* Saddam Hussein safe and sound!
* Saddam Hussein alive!
* Venezuelan leader: "Let's the War beginning".
* Fidel Castro dead.


Attachment:
One of the following:

* FullVideo.exe
* Full Story.exe
* Video.exe
* Read More.exe
* FullClip.exe
* GreetingPostcard.exe
* MoreHere.exe
* FlashPostcard.exe
* GreetingCard.exe
* ClickHere.exe
* ReadMore.exe
* FlashPostcard.exe
* FullNews.exe


Note: Due to a substantial increase in activity, Symantec Security Response raised this threat to category 3 on January 22, 2007.

Further reading: Trojan.Peacomm: Building a Peer-to-Peer Botnet
Protection

* Virus Definitions (LiveUpdate™ Daily) January 19, 2007
* Virus Definitions (LiveUpdate™ Weekly) January 22, 2007
* Virus Definitions (Intelligent Updater) January 19, 2007
* Virus Definitions (LiveUpdate™ Plus) January 19, 2007

Threat Assessment
Wild

* Wild Level: High
* Number of Infections: 1000+
* Number of Sites: 10+
* Geographical Distribution: Medium
* Threat Containment: Easy
* Removal: Moderate

Damage

* Damage Level: High
* Payload: Downloads additional security threats.
* Degrades Performance: Sent UDP packets may degrade performance.

Distribution

* Distribution Level: Low
* Ports: UDP ports 4000, 7871 and 11271

Writeup By: Masaki Suenaga and Mircea Ciubotariu


Also if you click on the lik below it will bring you to the page on how to remove it from your system with detailed instructions.

Answer 5

A trojan.....here is how to remove it


Discovered: January 19, 2007
Updated: January 19, 2007 6:52:29 PM
Also Known As: Small.DAM [F-Secure], CME-711 [Common Malware Enumeration], Troj/Dorf-Fam [Sophos], Downloader-BAI!M711 [McAfee], TROJ_SMALL.EDW [Trend], W32/Tibs [Norman]
Type: Trojan
Infection Length: 29,347 bytes; 30,720 bytes; 32,387 bytes; 34,816 bytes (varies)
Systems Affected: Windows 2000, Windows 95, Windows 98, Windows Me, Windows NT, Windows XP

The following instructions pertain to all current and recent Symantec antivirus products, including the Symantec AntiVirus and Norton AntiVirus product lines.

Disable System Restore (Windows Me/XP).
Update the virus definitions.
Run a full system scan.
Delete any values added to the registry.

For specific details on each of these steps, read the following instructions.

1. To disable System Restore (Windows Me/XP)
If you are running Windows Me or Windows XP, we recommend that you temporarily turn off System Restore. Windows Me/XP uses this feature, which is enabled by default, to restore the files on your computer in case they become damaged. If a virus, worm, or Trojan infects a computer, System Restore may back up the virus, worm, or Trojan on the computer.

Windows prevents outside programs, including antivirus programs, from modifying System Restore. Therefore, antivirus programs or tools cannot remove threats in the System Restore folder. As a result, System Restore has the potential of restoring an infected file on your computer, even after you have cleaned the infected files from all the other locations.

Also, a virus scan may detect a threat in the System Restore folder even though you have removed the threat.

For instructions on how to turn off System Restore, read your Windows documentation, or one of the following articles:

How to disable or enable Windows Me System Restore
How to turn off or turn on Windows XP System Restore

Note: When you are completely finished with the removal procedure and are satisfied that the threat has been removed, reenable System Restore by following the instructions in the aforementioned documents.

For additional information, and an alternative to disabling Windows Me System Restore, see the Microsoft Knowledge Base article: Antivirus Tools Cannot Clean Infected Files in the _Restore Folder (Article ID: Q263455).

2. To update the virus definitions
Symantec Security Response fully tests all the virus definitions for quality assurance before they are posted to our servers. There are two ways to obtain the most recent virus definitions:

Running LiveUpdate, which is the easiest way to obtain virus definitions.
Downloading the definitions using the Intelligent Updater: The Intelligent Updater virus definitions are posted daily. You should download the definitions from the Symantec Security Response Web site and manually install them. To determine whether definitions for this threat are available by the Intelligent Updater, refer to Virus Definitions (Intelligent Updater).

The latest Intelligent Updater virus definitions can be obtained here: Intelligent Updater virus definitions. For detailed instructions read the document: How to update virus definition files using the Intelligent Updater.

3. To run a full system scan

Start your Symantec antivirus program and make sure that it is configured to scan all the files.
Run a full system scan.
If any files are detected, follow the instructions displayed by your antivirus program.
Important: If you are unable to start your Symantec antivirus product or the product reports that it cannot delete a detected file, you may need to stop the risk from running in order to remove it. To do this, run the scan in Safe mode. For instructions, read the document, How to start the computer in Safe Mode. Once you have restarted in Safe mode, run the scan again.


After the files are deleted, restart the computer in Normal mode and proceed with the next section.

Warning messages may be displayed when the computer is restarted, since the threat may not be fully removed at this point. You can ignore these messages and click OK. These messages will not appear when the computer is restarted after the removal instructions have been fully completed. The messages displayed may be similar to the following:

Title: [FILE PATH]
Message body: Windows cannot find [FILE NAME]. Make sure you typed the name correctly, and then try again. To search for a file, click the Start button, and then click Search.

4. To delete the value from the registry
Important: Symantec strongly recommends that you back up the registry before making any changes to it. Incorrect changes to the registry can result in permanent data loss or corrupted files. Modify the specified subkeys only. For instructions refer to the document: How to make a backup of the Windows registry.

Click Start > Run.
Type regedit
Click OK.

Note: If the registry editor fails to open the threat may have modified the registry to prevent access to the registry editor. Security Response has developed a tool to resolve this problem. Download and run this tool, and then continue with the removal.


Navigate to and delete the following registry subkey:

HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\wincom32


Exit the Registry Editor.

Writeup By: Masaki Suenaga and Mircea Ciubotariu

Answer 6

It installs itself on your computer and then installs more malware leading to the destruckion of your computer

Answer 7

get ad-aware se free, and remove it FAST(oh yeah its a virus downloader, hard to remove w/o any anti-virus.)also get AVG free(free.grisoft.com)

Answer 8

As I know, it harm your computer and makes it slow.