Trojan-Downloader:W32/Agent.BOM
Summary
Trojan-Downloader:W32/Agent.BOM attempts to download and install other malware into the system.
Removal
Based on the settings of your F-Secure security product, it will either move the file to the quarantine where it cannot spread or cause harm, or remove it.
A False Positive is when a file is incorrectly detected as harmful, usually because its code or behavior resembles known harmful programs. A False Positive will usually be fixed in a subsequent database update without any action needed on your part. If you wish, you may also:
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Check for the latest database updates
First check if your F-Secure security program is using the latest updates, then try scanning the file again.
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Submit a sample
After checking, if you still believe the file is incorrectly detected, you can submit a sample of it for re-analysis.
Note: If the file was moved to quarantine, you need to collect the file from quarantine before you can submit it.
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Exclude a file from further scanning
If you are certain that the file is safe and want to continue using it, you can exclude it from further scanning by the F-Secure security product.
Note: You need administrative rights to change the settings.
Technical Details
Once Trojan-Downloader:W32/Agent.BOM has been executed, it will drop a copy of itself in the following folder:
- %temp%\RAVWM.EXE
It also drops the following DLL component in the Windows system directory:
- %sysdir%\RAVWM425.dll
Trojan-Downloader:W32/Agent.BOM add itself a service to enable its automatic execution upon boot up.
This is done by adding the following registry entries:
- HKLM\SYSTEM\CurrentControlSet\Services\WinWMServiceNow DisplayName "WinWMServiceNow" ImagePath %Temp%\RAVWM.EXE ObjectName "LocalSystem" Type dword:00000010 Start dword:00000002 ErrorControl dword:00000000
The DLL component of Trojan-Downloader:W32/Agent.BOM is injected to LSASS.EXE, and is capable of downloading spyware programs and as well sending sensitive information.
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