VB.AS, a variant of VB, is a Trojan. VB.AS collects email addresses and is used by spammers to send emails from infected computers. VB.AS modifies registry keys and shows fake error messages.
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:
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.
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.
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.
Upon execution, VB.AS, detected as Email-Worm.Win32.VB.as, displays a fake message: "File Error: [number]".
It then creates copies of itself in the following folders as:
It also creates the following registry entries to automatically launch when Windows starts:
Additional registry entry:
It also searches for possible email addresses from all htm files found on the harddrive. All gathered data will be saved in the registry as follows:
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