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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 d3okfro5vh6dqt.cloudfront.net.
MD5:
7b01bf7f6e7c579fc6c64171b679376d

SHA-1:
9e1cce59aafbf2373c5079aa770eb8676dd96929

SHA-256:
b9623566dee8d944e29060243b5f19e5285b6cc2a347bd24aaf8d75f423c4bd6

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
12/30/2024 8:36:10 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.2.4.1

File size:
333.5 KB (341,504 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:
9/28/2008 2:06:07 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:u+lnzCZqS4v6vSz25H/InWVBY0C+ghY0kw0RonoDY+Xn:T5MvSzCHQnB0ghYbonoDRn

Entry address:
0x10D8C

Entry point:
E8, 8F, 3A, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 54, A2, 41, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, E9, 1C, 67, 04, 00, 00, C9, C2, 08, 00, FF, 35, B8, 38, 42, 00, FF, 15, 4C, A0, 41, 00, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 39, 30, 00, 00, 6A, 01, 6A, 00, E8, EA, 3A, 00, 00, 83, C4, 0C, E9, AF, 3A, 00, 00...
 
[+]

Entropy:
7.0481

Code size:
97 KB (99,328 bytes)

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

http://d3okfro5vh6dqt.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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