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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. This is a setup program which is used to install the application. The file has been seen being downloaded from d21m4u3yvwhf8i.cloudfront.net.
MD5:
bffbf08e403520ffff84ed831dcf15dd

SHA-1:
52122a5f28df929bbf4d938555394e97920ad800

SHA-256:
219091306f14fbfc60562a972c9f4dffb213f85599197c102d08378e7a663326

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 6:29:09 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Downloader (M)
16.7.24.16

File size:
383.5 KB (392,704 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\prepreinstaller_win.exe

File PE Metadata
Compilation timestamp:
6/20/1992 1:22:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
3072:zr8WDrC6IhUXJIMfDnxWGfhSEG5WPlz4cplDvcx9+ccpa4rPyvwFfddVI7/6aK+v:Puoagn5N4E0x9rkyZXDamgkQic02PFKR

Entry address:
0x8178

Entry point:
55, 8B, EC, 83, C4, E0, 33, C0, 89, 45, E0, 89, 45, E8, 89, 45, E4, 89, 45, EC, B8, E8, 80, 40, 00, E8, 7E, BD, FF, FF, 33, C0, 55, 68, B4, 82, 40, 00, 64, FF, 30, 64, 89, 20, B8, A8, 91, 40, 00, B9, 0B, 00, 00, 00, BA, 0B, 00, 00, 00, E8, 18, EF, FF, FF, B8, B4, 91, 40, 00, B9, 09, 00, 00, 00, BA, 09, 00, 00, 00, E8, 04, EF, FF, FF, B8, C0, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, F0, EE, FF, FF, B8, DC, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, DC, EE, FF, FF, A1, 10, 92, 40...
 
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Developed / compiled with:
Microsoft Visual C++

Code size:
29 KB (29,696 bytes)

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

http://d21m4u3yvwhf8i.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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