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 d2bn845ieoq8t2.cloudfront.net.
MD5:
be87e2ed698b12e1c27e578cf7e39be3

SHA-1:
941c5c2a4c97216806314b290c99b6c32becb80f

SHA-256:
9b82b939de5f06f16b9c7972d81424793f6189d740d06db347b08f47f4bd21eb

Scanner detections:
11 / 68

Status:
Malware

Analysis date:
12/28/2024 2:38:03 PM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Vitro
160326-0

AVG
Win32/Virut
2015.0.4355

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
8.0.319.0

F-Prot
W32/Virut.AL!Generic
4.6.5.141

Kaspersky
Virus.Win32.Virut
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.217.1229.0

Norman
Win32.Virtob.Gen.12
10.04.2016 15:29:17

VIPRE Antivirus
Threat.4737366
48236

File size:
263 KB (269,312 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:
11/28/2010 9:59:13 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
6144:qGT08mkejSMuNT1kEmrea9W71OBcdaFlLgpL7Qz06Kxjssn:K0se4EOkaCLm06Kx

Entry address:
0x45675

Entry point:
83, 3C, 24, FE, 77, FE, 8D, 64, 24, CC, 60, 83, EC, DC, E8, 12, FF, FF, FF, 4B, 66, 4B, 75, FC, 21, CA, 31, EA, FF, 73, 3C, 59, 81, E9, FD, FF, FF, 7F, 8A, F1, 0F, 83, E5, FF, FF, FF, 81, D9, E6, 13, 00, 00, 71, DD, 92, 01, F2, 4E, 85, F2, 80, D6, B2, FF, B4, 19, E4, 13, 00, 80, 83, C4, 04, 66, 81, 44, 24, FC, B0, BA, 75, C1, 8D, 49, D1, 90, 68, 0A, 03, E9, 51, F7, D7, E8, E4, FE, FF, FF, 86, E2, 40, 89, 74, 24, 44, E9, FC, FD, FF, FF, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
7.1506

Code size:
105 KB (107,520 bytes)

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

Remove prepreinstaller_win.exe - Powered by Reason Core Security