prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 12 anti-virus scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from d3okfro5vh6dqt.cloudfront.net.
MD5:
73ec51b77f809cee28b40b658d158154

SHA-1:
a9275e4905cc3df3434a2c15179d6fe59b7d2357

SHA-256:
5032311244d997d74a5a8879e97cda364adf6c2fc3517fa699d36012cc7ba320

Scanner detections:
12 / 68

Status:
Malware

Analysis date:
12/30/2024 8:24:23 PM UTC  (today)

Scan engine
Detection
Engine version

Avira AntiVirus
W32/Virut.Gen
7.11.30.172

avast!
Win32:Vitro
160118-1

AVG
Win32/Virut
2015.0.4489

Dr.Web
Win32.Virut.56
9.0.1.05190

Emsisoft Anti-Malware
Win32.Virtob.Gen.12
10.0.0.5366

ESET NOD32
Win32/Virut.NBP virus
7.0.302.0

F-Secure
Win32.Virtob.Gen.12
5.15.21

Kaspersky
Virus.Win32.Virut
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.5020.0

Norman
Win32.Virtob.Gen.12
11.01.2016 17:30:26

VIPRE Antivirus
Threat.4120919
46838

File size:
325.5 KB (333,312 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:
1/31/2016 11:58:15 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:k+lnzCZqS4v6vSz2cH/InWVBY0C+ghY0kw0RonoDFj:t5MvSzDHQnB0ghYbonoD9

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, D7, 47, 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...
 
[+]

Code size:
97 KB (99,328 bytes)

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

Remove prepreinstaller_win.exe - Powered by Reason Core Security