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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from d21lfigono0ayo.cloudfront.net.
MD5:
9bb7da4d27ab43706a1a580c2e013698

SHA-1:
b5a33fdd192f8b83e32d1977b250558f200ba566

SHA-256:
cc8f29f12337dc987e9b1e5cb1d5a94e5237944d1d0baac74fdf185b49f93127

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
4/28/2024 12:52:37 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Installer
16.2.27.15

File size:
270 KB (276,480 bytes)

File type:
Executable application (Win16 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\prepreinstaller_win.exe

File PE Metadata
OS version:
7950.3770

OS bitness:
Win16

CTPH (ssdeep):
3:WlWUqt/vllEYZcFTS9gXeF+X32ZpxPB6dIvIdsEq68hHhNOBqgu3sbNGdUt:idqGVg3F+X32hpQdsEBsBcBhXNh

Entry point:
4D, 5A, 90, 00, 03, 00, 00, 00, 04, 00, 00, 00, FF, FF, 00, 00, B8, 00, 00, 00, 00, 00, 00, 00, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 0E, 1F, BA, 0E, 00, B4, 09, CD, 21, B8, 01, 4C, CD, 21, 54, 68, 69, 73, 20, 70, 72, 6F, 67, 72, 61, 6D, 20, 63, 61, 6E, 6E, 6F, 74, 20, 62, 65, 20, 72, 75, 6E, 20, 69, 6E, 20, 44, 4F, 53, 20, 6D, 6F, 64, 65, 2E, 0D, 0D, 0A, 24, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
0.0102

The file prepreinstaller_win.exe has been seen being distributed by the following URL.

http://d21lfigono0ayo.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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