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prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 9 anti-virus scanners. This is a setup program which is used to install the application. The file has been seen being downloaded from d3usuw9km7baib.cloudfront.net.
MD5:
b9b2382b433037b966bffb90053aeb4d

SHA-1:
a39cd64d2e4c69c591fe96f6ce1bc467f98b897e

SHA-256:
0178958ba5d2e3148ddd569f3f3a3059ed8c0dad30903d6eed1621b8543b15c2

Scanner detections:
9 / 68

Status:
Malware

Explanation:
prepreinstaller_win.exe is infected by a worm that might download, install and run additional malware as well as may spread to other executable files.

Analysis date:
11/25/2024 1:10:42 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160310-2

Dr.Web
Trojan.DownLoader19.46420
9.0.1.05190

ESET NOD32
Win32/Ramnit.H virus
8.0.319.0

F-Prot
W32/Ramnit.E
4.6.5.141

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Program.Artemis!1A2E47DE6511
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.215.2074.0

Norman
Win32.Ramnit.N
29.02.2016 03:11:57

VIPRE Antivirus
Threat.4732184
47580

File size:
345.5 KB (353,795 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:
3/9/2016 8:26:33 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:NGasaPzvnktMJv2qfOwCJclZexEl6pjeehyeJp0w0Qv3PWE:w9EkyF6pclZexEl6pjeehyS0EeE

Entry address:
0x3E000

Entry point:
60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, CE, B2, 01, 20, 2B, 85, 35, BA, 01, 20, 89, 85, 31, BA, 01, 20, B0, 00, 86, 85, 66, BC, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, 61, BB, 01, 20, 00, 74, 33, 83, BD, 65, BB, 01, 20, 00, 74, 2A, 8B, 85, 31, BA, 01, 20, 2B, 85, 61, BB, 01, 20, 8B, 00, 89, 85, 9E, BB, 01, 20, 8B, 85, 31, BA, 01, 20, 2B, 85, 65, BB, 01, 20, 8B, 00, 89, 85, A2, BB, 01, 20, EB, 61, 83, BD, 69, BB, 01, 20, 00, 74, 58, 8B, 85, 31, BA, 01, 20, 2B, 85, 69, BB, 01, 20, FF, 30, 8D, 85...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
96 KB (98,304 bytes)

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

http://d3usuw9km7baib.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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