home

prepreinstaller_win.exe

The executable prepreinstaller_win.exe has been detected as malware by 9 anti-virus scanners. According to the AV engines that detect this, it is a detection for a file infected by members of the Win32/Ramnit malware family and may drop and load other malware. The file has been seen being downloaded from d17ql6ygi350y.cloudfront.net.
MD5:
76ee031d57efd8885e331edd87ef7885

SHA-1:
fe36b98564f66678c4d7a6cabe381220c409987f

SHA-256:
ff7ce9eaf8e29ec927fc90479fa547ebca025d921c66789e6e3bee53eee7dcff

Scanner detections:
9 / 68

Status:
File is infected by a Virus

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

Analysis date:
5/8/2024 3:07:45 AM UTC  (today)

Scan engine
Detection
Engine version

avast!
Win32:RmnDrp
160518-2

Dr.Web
Win32.Rmnet.12
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.B!Generic
4.6.5.141

McAfee
Trojan.RDN/Generic.grp
18.0.204.0

Microsoft Security Essentials
Threat.Undefined
1.221.508.0

Norman
Win32.Ramnit.N
19.05.2016 05:17:13

File size:
371.4 KB (380,351 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:
5/5/2016 1:28:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
6144:ArcdY9vZb4iaeaXvAhaw1Oj8KhE9jBn1a0ykaHw3PJjiING/0:rOzjbmP8KhE9l1aXkNRjZ

Entry address:
0x48000

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...
 
[+]

Entropy:
6.8522

Packer / compiler:
ASPack v1.08.04

Code size:
124.5 KB (127,488 bytes)

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

http://d17ql6ygi350y.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
herdProtect is a second line of defense malware removal platform powered by 68 anti-malware engines in the cloud. Since no single anti-malware program is perfect 100% of the time, herdProtect utilizes a 'herd' of multiple engines to guarantee the widest coverage and the earliest possible detection.