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You have been re-routed to the Trojan:Win32/Rimecud.A write up because Trojan%3aWin32%2fRimecud.A has been renamed to Trojan:Win32/Rimecud.A
 

Trojan:Win32/Rimecud.A


Trojan:Win32/Rimecud.A is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.


What to do now

To detect and remove this threat and other malicious software that may have been installed in your computer, run a full-system scan with an up-to-date antivirus product such as the following: For more information about using antivirus software, see http://www.microsoft.com/windows/antivirus-partners/.

Threat behavior

Trojan:Win32/Rimecud.A is a malicious program that is unable to spread of its own accord. It may perform a number of actions of an attacker's choice on an affected computer.
Installation
When executed, Trojan:Win32/Rimecud.A copies itself to c:\documents and settings\administrator\application data\ohydy.exe.

The malware modifies the following registry entries to ensure that its copy executes at each Windows start:

Adds value: "Taskman"
With data: "c:\documents and settings\administrator\application data\ohydy.exe"
To subkey: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon

The malware utilizes code injection in order to hinder detection and removal. When Trojan:Win32/Rimecud.A executes, it may inject code into running processes, including the following, for example:

  • explorer.exe


This malware description was produced and published using our automated analysis system's examination of file SHA1 2fd0085228af699ce884310216a6112543bae995.

Symptoms

System changes
The following system changes may indicate the presence of this malware:

  • The presence of the following files:
  • c:\documents and settings\administrator\application data\ohydy.exe

  • The presence of the following registry modifications:
  • Adds value: "Taskman"
    With data: "c:\documents and settings\administrator\application data\ohydy.exe"
    To subkey: HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon


Prevention


Alert level: Severe
First detected by definition: 1.79.1496.0
Latest detected by definition: 1.179.1408.0 and higher
First detected on: Apr 09, 2010
This entry was first published on: Oct 27, 2010
This entry was updated on: Apr 17, 2011

This threat is also detected as:
No known aliases