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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 d8ninga8ie3fy.cloudfront.net.
MD5:
1f370183b968bc88515bc1218b066186

SHA-1:
7f6d9d66371d70d20388a6de86ca4b077d8d85cb

SHA-256:
6ee6509c90b9448ff5d9a23e7217d615ce5f104aa6980b4d6abf3e9a52b2e988

Scanner detections:
1 / 68

Status:
Malware

Analysis date:
11/25/2024 4:40:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Threat.Win.Reputation.IMP
16.4.23.12

File size:
524 KB (536,576 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):
12288:Fj/UUDGGo06Ok6/0YYHvogO46Hx3tbTts8:Fj/UU6OkM0HvogO46Hx3TH

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:
6.2215

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://d8ninga8ie3fy.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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