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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 djx67m9am3a7m.cloudfront.net.
MD5:
6d982f333d88d1cf2679591e8d6d24aa

SHA-1:
b9178395fe1828d04ead6030a871dd584005ee8f

SHA-256:
54f2451b88f8609a94f6f9563969cc5e33bd71f5eb2ccde8d1c3cea5fbfa8b80

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 1:42:17 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160327-1

Dr.Web
Trojan.DownLoader18.55205
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
11.5.0.6191

ESET NOD32
Win32/Ramnit.H virus
7.0.302.0

F-Prot
W32/Ramnit.E
4.6.5.141

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Trojan.GenericR-FTJ!09024B18A198
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.215.3088.0

VIPRE Antivirus
Threat.4732184
48090

File size:
400.9 KB (410,544 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:
1/15/2016 1:57:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:J70/FfZycE8QIqfsm/Nr6edeX/Uk8yL/LEyGZfH8HOqix1+EgUHdw/:DYssml2HX/Uk8yPEJZfHSOqiH+HUHdw/

Entry address:
0x4E000

Entry point:
60, E8, 00, 00, 00, 00, 5D, 8B, C5, 81, ED, A8, A6, 01, 20, 2B, 85, 0F, AE, 01, 20, 89, 85, 0B, AE, 01, 20, B0, 00, 86, 85, 40, B0, 01, 20, 3C, 01, 0F, 85, BC, 01, 00, 00, 83, BD, 3B, AF, 01, 20, 00, 74, 33, 83, BD, 3F, AF, 01, 20, 00, 74, 2A, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3B, AF, 01, 20, 8B, 00, 89, 85, 78, AF, 01, 20, 8B, 85, 0B, AE, 01, 20, 2B, 85, 3F, AF, 01, 20, 8B, 00, 89, 85, 7C, AF, 01, 20, EB, 61, 83, BD, 43, AF, 01, 20, 00, 74, 58, 8B, 85, 0B, AE, 01, 20, 2B, 85, 43, AF, 01, 20, FF, 30, 8D, 85...
 
[+]

Packer / compiler:
ASPack v1.08.04

Code size:
137 KB (140,288 bytes)

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

http://djx67m9am3a7m.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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