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dcouzin

TRIANGL4.EXE

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No one else will have a false positive problem with the file TRIANGL4.EXE because they don't have the file.

I created the file years ago using the QB87 (QuickBASIC) compiler. TRIANGL4.EXE is little program to calculate the active aperture of triangle shaped cube corner prisms. What could be more harmless?

To assure than my 11,776 byte .EXE hadn't been invaded by viral material I repeated the creation process today and compared the two files using windiff: identical.

Of course I've run Malwarebytes many times before and it didn't find anything wrong with TRIANGL4.EXE, so why today did it find it to be a Trojan.Downloader?

Below is the logfile. I'm curious to know what Malwarbytes looks for and how TRIANGL4.EXE tricked it.

Malwarebytes' Anti-Malware 1.41

Database version: 2902

Windows 5.1.2600 Service Pack 3

04.Oct.09 06:36:54

mbam-log-2009-10-04 (06-36-43).txt

Scan type: Full Scan (C:\|)

Objects scanned: 199809

Time elapsed: 1 hour(s), 11 minute(s), 25 second(s)

Memory Processes Infected: 0

Memory Modules Infected: 0

Registry Keys Infected: 0

Registry Values Infected: 0

Registry Data Items Infected: 0

Folders Infected: 0

Files Infected: 1

Memory Processes Infected:

(No malicious items detected)

Memory Modules Infected:

(No malicious items detected)

Registry Keys Infected:

(No malicious items detected)

Registry Values Infected:

(No malicious items detected)

Registry Data Items Infected:

(No malicious items detected)

Folders Infected:

(No malicious items detected)

Files Infected:

C:\d2\LANGUAGE\BASIC\TRIANGL4.EXE (Trojan.Downloader) -> No action taken. [4948455830538380756679153780887977806669708301070701524259383018182424230107070

15538515242484730393445523801070701525351424740523023211301171717171717171717171

7

17171717171717171717171717171717171717171717171717171717171717171717171717171717

1

71717171717171717171717171717171717171717171717171717171717171717171717171717171

7

171717171717171717171717171717171717171717171717171717171717171717171717]

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I suggest you to check the entire file at the following sites where 40 antivirus will tell you if is a virus or a FP.

www.virustotal.com

www.virscan.org

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There was a modification that should have resolved this . Please update and scan again . If this is still detected I need a copy of the file being detected on your system .

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I suggest you to check the entire file at the following sites where 40 antivirus will tell you if is a virus or a FP.

www.virustotal.com

Thanks, Virustotal is quite a reference site.

Result: 0/41

It's Malwarebytes's bug only

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There was a modification that should have resolved this . Please update and scan again . If this is still detected I need a copy of the file being detected on your system .

Correct! Using today's update there was no false positive.

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