home

prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 10 anti-virus scanners. The file has been seen being downloaded from dywwa0x0bsotg.cloudfront.net.
MD5:
5433bbfcb340efd65d1b2f8d73e11818

SHA-1:
555acf308fdf1b1449a64b1b0dd087644df81468

SHA-256:
949637d78af70fe5ad72cef796c5ee00704f2b109dc60e2270257247fb6505b6

Scanner detections:
10 / 68

Status:
Malware

Analysis date:
11/25/2024 1:50:09 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:Vitro
160126-1

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

Kaspersky
Virus.Win32.Virut
15.0.0.562

McAfee
Virus.W32/Virut.n.gen
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.5613.0

Norman
Win32.Virtob.Gen.12
03.02.2016 07:38:05

Sophos
Virus 'W32/Scribble-B'
5.23

VIPRE Antivirus
Threat.4120919
47028

File size:
180 KB (184,320 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:
2/7/2002 7:43:23 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:xHs0D7FCMir7w7woBMU3zYvSz2GojTmTbInUi2d25eJevZvWSnofxmZjaxfafryg:xHs07bcKmU3zYvSz2GoMInWE1ZBnofxh

Entry address:
0x313E2

Entry point:
83, 3C, 24, FF, 0F, 84, FA, FF, FF, FF, 8D, 64, 24, D0, 60, 8D, 64, 24, 24, E8, 07, 01, 00, 00, 8D, 7C, 24, FC, 87, 1F, 4B, 0F, B7, CB, E2, FE, 66, 8B, D9, FF, 73, 3C, 59, 81, E9, FE, FF, FF, 7F, 0F, 83, E7, FF, FF, FF, 81, D9, 91, 11, 00, 00, 71, DF, 28, E2, 4E, 42, 8B, 8C, 19, 90, 11, 00, 80, 81, F1, 50, 45, 00, 00, 75, CC, 20, D9, 08, E8, 68, 87, 89, 44, 4D, E8, DE, 00, 00, 00, 89, 74, 24, 44, E8, D8, FE, FF, FF, 89, 44, 24, 34, 83, E8, 04, 0F, 82, 5D, FF, FF, FF, 64, A1, 18, 00, 00, 00, 0B, C0, 78, 0C...
 
[+]

Entropy:
6.7349

Code size:
97 KB (99,328 bytes)

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

http://dywwa0x0bsotg.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.