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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 6 anti-malware scanners. The file has been seen being downloaded from d25csl0hzpx9mt.cloudfront.net and multiple other hosts.
MD5:
8574ef2796bdf5b7c82ae981831e45a5

SHA-1:
263a8bc9a2c595848e9dfcf7d8254dcf159ce546

SHA-256:
2e29fbc51f9a49769d478f2f5c7a0a043601e63d5771c964dfe9ce0ef6fbdf22

Scanner detections:
6 / 68

Status:
Potentially unwanted

Analysis date:
5/1/2024 5:49:33 AM UTC  (today)

Scan engine
Detection
Engine version

Baidu Antivirus
Adware.Win32.Imali
4.0.3.151028

ESET NOD32
Win32/Adware.Imali.E application
7.0.302.0

Kaspersky
HEUR:Trojan-Downloader.Win32.Generic
14.0.0.1207

McAfee
Program.PUP-FZQ
18.0.204.0

Qihoo 360 Security
HEUR/QVM10.1.Malware.Gen
1.0.0.1015

Reason Heuristics
Threat.Win.Reputation.IMP
15.11.6.14

File size:
292 KB (299,008 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:
10/28/2015 9:31:54 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:mRd7qdVjfojcz42qzICv+ZhH8vEOJ6xbfnaaFK5XdvMxJwgU8xhhqLicOV:QdiTojcz4vICGZZ8MOJa+o3a747rV

Entry address:
0x121AC

Entry point:
E8, 38, 71, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, D4, 23, 42, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, B8, 20, 42, 00, C9, C2, 08, 00, FF, 35, C0, D1, 42, 00, FF, 15, 8C, 20, 42, 00, 85, C0, 74, 02, FF, D0, 6A, 19, E8, 29, 69, 00, 00, 6A, 01, 6A, 00, E8, 3B, 28, 00, 00, 83, C4, 0C, E9, 00, 28, 00, 00...
 
[+]

Entropy:
5.8983

Code size:
129.5 KB (132,608 bytes)

The file prepreinstaller_win.exe has been seen being distributed by the following 4 URLs.

http://d25csl0hzpx9mt.cloudfront.net/prepreinstaller_win.exe

http://d1o52nesm924tg.cloudfront.net/prepreinstaller_win.exe

http://d1xd06pkl5614k.cloudfront.net/prepreinstaller_win.exe

http://drz432f7yeokb.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.