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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. Accoriding to the detections, it is a variant of Zbot (Zeus), a trojan that attempts to steal confidential information (online credentials, and banking details) from a compromised computer and send it to online criminals via a command-and-control server. The file has been seen being downloaded from d392g9t0huqeex.cloudfront.net.
MD5:
afcf1dbbb211947b61e404bd40c6a4eb

SHA-1:
f94e4505c5221ef210c292099bcf9ebcc94f0a14

SHA-256:
9e96a0c703b74cce722e131f7fab4cd2ee4f505db5c3ae1efe06a256b7ba2704

Scanner detections:
9 / 68

Status:
File is infected by a Virus

Explanation:
The file is infected by a polymorphic file infector virus.

Analysis date:
4/30/2024 10:12:53 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160310-2

AVG
Win32/Zbot.G
2015.0.4533

Dr.Web
Win32.Rmnet.8
9.0.1.05190

ESET NOD32
Win32/Ramnit.H virus
7.0.302.0

F-Prot
W32/Ramnit.E
4.6.5.141

F-Secure
Win32.Ramnit.N
5.15.21

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Virus.W32/Ramnit.a
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.215.2503.0

File size:
372.9 KB (381,893 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:
3/20/2016 8:13:01 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:8KdNtAOEDVqqUFpHkftl4T4jSKml1VQ28vhu+OrsjE9Y9bJSMPSE6aDu/k+whWI7:W+EFrgOVcVVVWVVVVjwKmUe+9ZkUZ

Entry address:
0x48000

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:
125.5 KB (128,512 bytes)

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

http://d392g9t0huqeex.cloudfront.net/prepreinstaller_win.exe

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