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prepreinstaller_win_2.exe

The executable prepreinstaller_win_2.exe has been detected as malware by 12 anti-virus scanners. 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:
84cac8372570710d109b0f7d387c8066

SHA-1:
ce00556b3438f927eab1c1e8e4d90eead1052375

SHA-256:
e5f88360d2430ce9b4bc53df4713e7bebd2565e32ce066c05b2990ee29e10f75

Scanner detections:
12 / 68

Status:
Malware

Explanation:
prepreinstaller_win_2.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:
4/28/2024 5:06:51 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Win32.Ramnit.N
5813571

avast!
Win32:RmnDrp
160112-0

AVG
Win32/Zbot.G
2015.0.4477

Clam AntiVirus
W32.Ramnit-1
0.98/21277

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

Kaspersky
Virus.Win32.Nimnul
15.0.0.562

McAfee
Trojan.Artemis!91CCF87EA6D4
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.213.3222.0

Norman
Win32.Ramnit.N
11.01.2016 17:30:26

VIPRE Antivirus
Threat.4732184
46592

File size:
335.9 KB (343,927 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 8:12:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
6144:YlIG5wTZFDMz60F8nxnQ4nh1jrfFUzbE52SIlzT7Ei9n:UIGO2FWlzPfFUzbh1lLEIn

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...
 
[+]

Entropy:
6.6683

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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