Virus:W32/Alman.A infects all executable files in the system. The virus propagates over a network. It also has rootkit capabilities and is capable of contacting a remote server to forward information about the infected system.
Based on the settings of your F-Secure security product, it will either automatically delete, quarantine or rename the detected program or file, or ask you for a desired action.
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A later variant of this virus, Virus:W32/Alman.B, is also in the wild.
Variants of this family may be detected by the Generic Detection, Virus:W32/Alman.gen!A.
Alman.A infects all .EXE files in the affected system. It appends its code to the target file and sets this as an additional code section. It searches for files to infect in all fixed, shared, and removable drives.
It skips infecting files located in the following directories:
It also skips infecting files matching the following names:
Upon execution, this network-propagating virus drops the following files:
The dropped file RioDrvs.sys is registered as a service.The file linkinfo.dll is injected into explorer.exe and is hidden by the rootkit components.
This virus terminates processes with names that match the following strings:
However, the path of the files associated with the above mentioned processes should not contain the following strings:
Once the process is terminated, the corresponding file is also deleted.
The virus accesses network shares using the Administrator account name and one of the following passwords:
Once connected, it drops a copy of itself as C$\Ins.exe. The dropped file is executed as a service with the service name DLAN.
This virus will attempt to connect to the following site to update itself or send data regarding the infected system:
Creates these mutexes:
Creates these keys:
Description Created: 2007-04-18 01:43:53.0
Description Last Modified: 2010-07-13 05:38:21.0