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prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 11 anti-virus scanners. The file has been seen being downloaded from d27ofrk4ubiq4a.cloudfront.net.
MD5:
9c840244a6aa53386f68af3e6d7c6619

SHA-1:
442eef4cb56a3d94f061646463b596e173049ce2

SHA-256:
6264ae651680df79ebe3925ddb22c5140d106cd3bb9cbbd3461e8d6e0a7d7d23

Scanner detections:
11 / 68

Status:
Malware

Analysis date:
5/31/2024 4:52:05 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Vitro
160503-1

AVG
Win32/Virut
2015.0.4568

Dr.Web
Win32.Virut.56
9.0.1.05190

Emsisoft Anti-Malware
Win32.Virtob.Gen.12
11.5.0.6191

ESET NOD32
Win32/Virut.NBP virus
7.0.302.0

F-Prot
W32/Virut.AL!Generic
4.6.5.141

F-Secure
Win32.Virtob.Gen.12
5.15.96

Kaspersky
Virus.Win32.Virut
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.221.795.0

Norman
Win32.Virtob.Gen.12
19.05.2016 05:17:13

File size:
454.5 KB (465,408 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:
1/1/2000 4:57:21 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:21y7XoarzNd92ZkfL7UJI6GSupjVIOkUlkuTpZntWAIq1YbzvfgOQW5M:21kX3L7UJI61QWOk6/0YYHvfgOQoM

Entry address:
0x530D

Entry point:
E8, 29, 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:
6.0008

Code size:
99.5 KB (101,888 bytes)

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

http://d27ofrk4ubiq4a.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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