Home Malware Programs Backdoors Backdoor.Whalfrost

Backdoor.Whalfrost

Posted: February 8, 2012

Threat Metric

Threat Level: 2/10
Infected PCs: 274
First Seen: February 8, 2012
Last Seen: November 3, 2022
OS(es) Affected: Windows

Backdoor.Whalfrost is a dangerous backdoor Trojan that opens a back door on the corrupted PC system in order to allow remote attackers to obtain access and control over the machine. Backdoor.Whalfrost can gather and steal personal information from the infected computer system. Backdoor.Whalfrost may also download and install additional malicious system files onto the affected PC. Backdoor.Whalfrost can damage your important system files and processes. Backdoor.Whalfrost also modifies the registry so that it can run every time you start Windows. Backdoor.Whalfrost may spread by exploiting certain system vulnerabilities. Backdoor.Whalfrost tries to contact a command and control (C&C) server in order to receive commands from remote attackers to execute malicious actions on the targeted computer. Remove Backdoor.Whalfrost immediately after detection.

Technical Details

File System Modifications

Tutorials: If you wish to learn how to remove malware components manually, you can read the tutorials on how to find malware, kill unwanted processes, remove malicious DLLs and delete other harmful files. Always be sure to back up your PC before making any changes.

The following files were created in the system:



%UserProfile%\Application Data\msupdater.exe File name: %UserProfile%\Application Data\msupdater.exe
File type: Executable File
Mime Type: unknown/exe
Group: Malware file
%UserProfile%\Application Data\FAVORITES.DAT File name: %UserProfile%\Application Data\FAVORITES.DAT
File type: Data file
Mime Type: unknown/DAT
Group: Malware file

Registry Modifications

The following newly produced Registry Values are:

HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Winlogon\"Shell" = "Explorer.exe "%UserProfile%\Application Data\msupdater.exe""

Additional Information

The following URL's were detected:
initiaterecentmostthefile.vip
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