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wextract.exe
wextract.exe is a Windows extraction helper used by self-extracting archives. When invoked by an SFX, it presents an Explorer-style folder picker.
Launch the provided self-extracting package
When asked for the destination, use Browse… to pick the path
Mitigations:
Block unknown SFX packages; enforce MOTW-aware protections
Contributor:
ClickGrab
(2025-09-16)
Demonstrates silent extraction when an SFX supports it. Use only benign self-extracting archives in testing.
Press Win-R
Type: "C:\Path\To\Archive.exe" /T:"%TEMP%\demo" /Q
Press Enter
Mitigations:
Flag silent SFX extractions from unknown sources
Contributor:
ClickGrab
(2025-09-16)