VBS/Tqll is a worm written with Visual Basic Script.
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.
Variant:Tqll.A (New Year worm)
This worm is partially encrypted with a simple encryption.
When it is executed, it first creates to the Windows directory a file named "3k.exe". This file is a backdoor detected by FSAV as Psychward.G.
Then the worm executes the backdoor.
Next the script uses Outlook to send itself to every recipient listed in each address book. The message looks as follows:
Subject: New Year ! Body: Wow Happy New Year! Attachment: happynewyear.txt.vbs
The attachment might be named differently.
VBS/Tqll.A uses the BCC area of the mail to send, so the receiver does not see other recipients.
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