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prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 1 anti-virus scanner. The file has been seen being downloaded from d2c6njkuidynrf.cloudfront.net.
MD5:
1c503c81b6e55c9e836792c16ae75893

SHA-1:
e661775de9a135af0296d4971ebada905abe8808

SHA-256:
b608888bd27adf789adcb09706476212cf3236d8ae1eea0f792999a833d96ef5

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/30/2024 9:37:31 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.4.23.12

File size:
319.5 KB (327,168 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
6/19/1992 3:22:17 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
6144:k9PnJNrYRWGOAepuU4usnGYVjyRg8G0JbLYMI8KhyEKh0OZ8D:oJ1+CPsvVag8G0JQp8KhyEKh0Oi

Entry address:
0x80E4

Entry point:
55, 8B, EC, 83, C4, E0, 33, C0, 89, 45, E0, 89, 45, E8, 89, 45, E4, 89, 45, EC, B8, 54, 80, 40, 00, E8, 12, BE, FF, FF, 33, C0, 55, 68, 20, 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, 5C, EF, FF, FF, B8, B4, 91, 40, 00, B9, 09, 00, 00, 00, BA, 09, 00, 00, 00, E8, 48, EF, FF, FF, B8, C0, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 34, EF, FF, FF, B8, DC, 91, 40, 00, B9, 03, 00, 00, 00, BA, 03, 00, 00, 00, E8, 20, EF, FF, FF, A1, 10, 92, 40...
 
[+]

Entropy:
5.9558

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://d2c6njkuidynrf.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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