Hello
there are malware downloadable from www.4shared.com
which is difficult to analyse automatically.
Avast does not detect it at the moment.
Examples will be upload to ftp.
Example
Regina Spektor - Music box.zip
Analysis
https://www.virustotal.com/bg/file/9ec923e7a4f6af149ff4803787d00fb64fc499a87f8b2ed689ff2b4ef7b4f8a8/analysis/1395958883/
AVG Win32/Themida 20140327
Ad-Aware Trojan.Packed.Libix.Gen.9 20140327
AntiVir TR/Crypt.TPM.Gen 20140327
Antiy-AVL Trojan/Win32.TGeneric 20140327
BitDefender Trojan.Packed.Libix.Gen.9 20140327
Bkav W32.HfsAutoB.C7dc 20140327
CMC Packed.Win32.Black!O 20140326
Comodo Packed.Win32…Black.~A 20140327
DrWeb Trojan.Packed.650 20140327
Emsisoft Trojan.Packed.Libix.Gen.9 (B) 20140327
F-Secure Trojan.Packed.Libix.Gen.9 20140327
GData Trojan.Packed.Libix.Gen.9 20140327
Jiangmin Packed.Black.Gen.a 20140327
K7AntiVirus Trojan ( 002e1e5b1 ) 20140327
K7GW Trojan ( 002e1e5b1 ) 20140326
Kaspersky Packed.Win32.Black.a 20140327
MicroWorld-eScan Trojan.Packed.Libix.Gen.9 20140327
Microsoft VirTool:Win32/Obfuscator.XX 20140327
Norman Suspicious.D2!genr 20140327
Panda Trj/Thed.A 20140327
Qihoo-360 Malware.QVM18.Gen 20140327
Sophos Mal/Behav-374 20140327
TheHacker W32/Behav-Heuristic-064 20140327
Examples will be upload to ftp.if you mean you have a sample to send......
send to virus@avast.com in a password protected zip file
mail subject: False Positive / undetected sample (select subject according to your case)
zip password: infected
http://i.imgur.com/PLU28A9.png
since avast detects the same file in format exe
different size,none in src format.
We don’t have this sample.