This is a simple BAT trojan that deletes all files on C:, A:, B: and D: drives. The trojan uses 'DELTREE /Y' DOS command to delete the files. The trojan then tries to delete SIMPSONS.* files, but there are no more files on affected drives after the DELTREE command.
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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First check if your F-Secure security program is using the latest detection database updates, then try scanning the file again.
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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.
The trojan is distributed as a self-extracting WinZip package that displays standard WinZip message after being run and then extracts the trojan and spawns it.
This trojan was reported to be in the wild in late June, 2000. However, it does not seem to be significantly widespread (as it does not replicate further by itself).
[Eugene Kaspersky, KL]
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