Virussign.com: Change extension of malware samples in bulk from .vir to .exe

Malwarebuster9999

Level 1
Thread author
Sep 5, 2016
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I downloaded a malware pack from virus sign.com and the pack had files with a vir extension and I wanted to know how to change it back to .exe for testing. How do I do this in bulk?

If I am posting in the wrong section please direct me.
 
I downloaded a malware pack from virus sign.com and the pack had files with a vir extension and I wanted to know how to change it back to .exe for testing. How do I do this in bulk?

If I am posting in the wrong section please direct me.
I would just open a command prompt, change to the directory containing my files and then use the command:

Code:
rename *.vir *.exe

The tool @koko shared looks like it would do the trick if you don't want to get your hands dirty using the command prompt.
 
I would just open a command prompt, change to the directory containing my files and then use the command:

Code:
rename *.vir *.exe

The tool @koko shared looks like it would do the trick if you don't want to get your hands dirty using the command prompt.

Thanks! I didn't even know you could do that with cmd! :)
 
But the problem is that maybe not all malware of the pack could accept .exe file extension.
Some of them might be .js, .vbs .com .scr etc.
If you rename all the samples .exe, some may not work seeing that .vir is probably a generic extension.
 
Using software to do 2 lines in command prompt for you is getting your hands dirtier than using the unfamiliar command prompt. Especially if it means the chance of accidentally executing malware through a bug.

I would, and have instructed others to use the command prompt method.