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Windows 7: Notepad++ Trojan?

23 May 2010   #1

Windows 7x64 Home Premium SP1
Notepad++ Trojan?

I use Notepad++ 5.6.6 for software development (great program)
I had the installer for Notepad++ 5.6.8 sitting on my computer. McAfee just detected a Trojan & deleted the installer.

You may want to check Notepad++ 5.6.8 with your favourite antivirus software.

My System SpecsSystem Spec
23 May 2010   #2

Windows 7 & Windows Vista Ultimate

Hi, mjf.

If you downloaded the installer from a legitimate site, it is possible that the detection by McAfee was a false positive.
My System SpecsSystem Spec
23 May 2010   #3

Windows 7x64 Home Premium SP1

To be honest I can't remember the site but if it wasn't the official site it would have been something like CNET.
The installer has been scanned multiple times with McAfee before so I assume it must have been a McAfee update which caused it to be hit today (when I was making an image).
A false positive is definitely a possibility. McAfee deleted it automatically so maybe I need to set a switch to make McAfee ask permission next time or Office may be the next to go.
My System SpecsSystem Spec

23 May 2010   #4

Windows 7 & Windows Vista Ultimate

You could download a new installer and then double-check the file by scanning it at or Jotti's malware scan (and reporting the f/p to McAfee).
My System SpecsSystem Spec
23 May 2010   #5


Does Notepad ++ have an MD5 Checksum so you can verify the integrity of the download?
My System SpecsSystem Spec
24 May 2010   #6

Windows7 Ultimate 64bit

This issue has been discussed in Notepad++ forum for quite sometime... It looks like that there's a component's signature in Notepad++ that's similar to some malware/virus, IIRC it's "Scintilla" module. If you download it off Sourceforge, it's A HUGE FALSE positive indeed.

My System SpecsSystem Spec
24 May 2010   #7

W7-Enterprise + WS-2008 (Converted to Workstation)

well, fwiw i just downloaded the exe-installer from sourceforge, and checked it with 2 different A/Vs.

Avast, EAM (a-squared) & MBAM says it OK...
My System SpecsSystem Spec

 Notepad++ Trojan?

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