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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 2 anti-malware scanners. The file has been seen being downloaded from dw9slr71o4zpb.cloudfront.net.
MD5:
0593b39a5f3ec9634cc87905d0d37704

SHA-1:
3b464cc861770a3a35c3a52e20b74179e06d9071

SHA-256:
f3397a25e7294dd08dd246fd3b350e1d3ab525b2418cb53f57fc1bc52adf82c3

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
12/31/2024 11:36:44 PM UTC  (a few moments ago)

Scan engine
Detection
Engine version

avast!
Win32:Malware-gen
160327-1

Reason Heuristics
Adware.Downloader (M)
16.7.24.16

File size:
427 KB (437,248 bytes)

File type:
Executable application (Win32 EXE)

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

File PE Metadata
Compilation timestamp:
4/26/2016 7:05:31 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:oihTo2WpxD4dW1+y8wimaqr25IOkUPTpZntWAIq1YbzvxgO:oihg+y8wimvq6Okw/0YYHvxgO

Entry address:
0x524D

Entry point:
E8, 2A, 42, 00, 00, E9, 78, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00, 00, 8B, 01, BA, FF, FE, FE, 7E, 03, D0, 83, F0, FF, 33, C2, 83, C1, 04, A9, 00, 01, 01, 81, 74, E8, 8B, 41, FC, 84, C0, 74, 32, 84, E4, 74, 24, A9, 00, 00, FF, 00, 74, 13, A9, 00, 00, 00, FF, 74, 02, EB, CD, 8D, 41, FF, 8B, 4C, 24, 04, 2B, C1, C3...
 
[+]

Entropy:
5.7939

Code size:
99 KB (101,376 bytes)

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

http://dw9slr71o4zpb.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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