OS-guard.com
OS-guard.microsoft.com or also known as OS-guard.com, is a malicious web site that is designed to promote and sell the rogue anti-spyware application Antivirus System PRO. OS-guard.microsoft.com is not related to Microsoft despite the domain name. OS-guard.microsoft.com can infect a computer and instruct it to redirect the web browser to the IP 91.212.127.226. Through the OS-guard.microsoft.com website it will alert computer users of fake threats in an effort to make them believe they must purchase Antivirus System PRO to resolve the issue.
File System Modifications
- The following files were created in the system:
# File Name 1 %WINDOWS%\sysguard.exe 2 %WINDOWS%\system32\iehelper.dll
Registry Modifications
- The following newly produced Registry Values are:
HKEY..\..\..\..{Subkeys}HKEY_CURRENT_USER\Software\AvScanHKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "system tool"HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}HKEY..\..\..\..{RegistryKeys}HKEY_CLASSES_ROOT\CLSID\{BAD4551D-9B24-42cb-9BCD-818CA2DA7B63}
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