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prepreinstaller_win_2.exe

The executable prepreinstaller_win_2.exe has been detected as malware by 15 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 d2mpbwrp31zr73.cloudfront.net.
MD5:
7d2fb0eddec43240c3c01e6c58c67486

SHA-1:
09a31761dc6dd149dd618154607238cc8787bea1

SHA-256:
a6731e2c24958c30a5c21c7fcde46aacdac806ebc00bb6c1e181f1ba7bb68762

Scanner detections:
15 / 68

Status:
File is infected by a Virus

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

Analysis date:
11/25/2024 6:25:28 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Ramnit.N
5691347

avast!
Win32:RmnDrp
160118-1

AVG
Win32/Zbot.G
2015.0.4477

Clam AntiVirus
W32.Ramnit-1
0.98/21309

Dr.Web
Trojan.DownLoader18.61493
9.0.1.05190

Emsisoft Anti-Malware
Win32.Ramnit.N
10.0.0.5366

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
Trojan.RDN/Generic Downloader.x
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.4543.0

Norman
Win32.Ramnit.N
18.01.2016 17:20:53

Sophos
Virus 'W32/Ramnit-A'
5.22

VIPRE Antivirus
Threat.4732184
46444

File size:
336.4 KB (344,495 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\prepreinstaller_win_2.exe

File PE Metadata
Compilation timestamp:
1/18/2016 2:12:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:alIG5wTZFDMz60F8nxnQ4nh1jrfFUzqydVfmply9oV+of/pA:KIGO2FWlzPfFUzqydpWlOoVHK

Entry address:
0x3D000

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:
109 KB (111,616 bytes)

The file prepreinstaller_win_2.exe has been seen being distributed by the following URL.

http://d2mpbwrp31zr73.cloudfront.net/prepreinstaller_win_2.exe

Remove prepreinstaller_win_2.exe - Powered by Reason Core Security
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