Malware Extension Spoofer
by Psych1c - Tuesday January 13, 2026 at 12:16 AM
#1
PowerShell script that hides the app/malware file extension by padding the filename with spaces.
This method has been covered by John Hammond on his channel and this is simply a slightly improved remake of his code
Example picture: 
[Image: Screenshot-2026-01-12-162542.png]
‎ ‎ 
Example video:
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Use command:
.\extspooferps.ps1 -FilePath .\malware.exe -NewBasename "innocentfile.jpg" -NewExtension "exe"
‎ ‎ 
Script:
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@Psych1c  @m3nt4l
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#2
This doesn't appear to pass even a cursory MIME check.
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#3
(Jan 13, 2026, 12:18 AM)kaz Wrote: This doesn't appear to pass even a cursory MIME check.

There's other methods for MIME checks, this method works for direct installs and physical/irl spreading.
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@Psych1c  @m3nt4l
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#4
example video is down already
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#5
(Jan 15, 2026, 10:34 AM)itskilim Wrote: example video is down already

video link updated
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@Psych1c  @m3nt4l
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#6
let me have a look thanks for sharing

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#7
lets take a look brooo

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#8
You don't use special caracters that invert the text after the dot character?
I'm curious to see that

EDIT:
Damn! That's smart thanks for that man!
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#9
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#10
It looks really good

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