Threat Description

Packed: W32/MysticCompressor.gen!A


Category: Malware
Type: Packed
Platform: W32
Aliases: Packed:W32/MysticCompressor.gen!A, Trojan.Win32.Fraudpack.apts, Trojan.FakeAlert.BZZ, Packed.Mystic!gen3 (Symantec) , Trojan:Win32/FakeRean (Microsoft)


Packed:W32/MysticCompressor.gen!A is a Generic Detection for a packer called "Mystic Compressor", which is commonly used by the ZBot/Zeus trojan (password stealer programs) and rogue antispyware programs (such as XPAntivirus).


Automatic action

Once detected, the F-Secure security product will automatically disinfect the suspect file by either deleting it or renaming it.

More scanning & removal options

More information on scanning or removal options is available in the documentation for your F-Secure security product on the Downloads section of our Home - Global site.

You may also refer to the Knowledge Base on the F-Secure Community site for more information.

Contact Support

For further assistance, F-Secure customers can request support online via the Request support or the Chat forms on our Home - Global site.

Technical Details

Malware authors use packers, or file compressor programs, to compress their malware and thwart security programs attempting to scan, debug, emulate or unpack the compressed file as part of their normal security procedures.


Suspect a file or URL was wrongly detected? Submit a sample to our Labs for analysis

Submit Now

Give And Get Advice

Give advice. Get advice. Share the knowledge on our free discussion forum.

Learn More