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prepreinstaller_win.exe

The application prepreinstaller_win.exe has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from d21m4u3yvwhf8i.cloudfront.net and multiple other hosts.
MD5:
bfc61cfbf28ea3506137c405b550a45e

SHA-1:
dfcfc2f3246cb6d5abe7a9ed6c1f54c5f70d582c

SHA-256:
c702f87d019788d2b3636bde222a26efe5d3a7e60ebf316d65a64bf561979c7d

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
12/27/2024 6:40:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Imali
16.5.5.6

File size:
263 KB (269,312 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\appdata\local\temp\prepreinstaller_win.exe

File PE Metadata
Compilation timestamp:
5/4/2016 11:28:52 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
3072:5HcxkrcdfulQ8RmE9HPZS7i417Qm+Kxe+sFXVx8TASvXIfoS8rw1Oj8KhE9:9rcdY9vZb4iaeaXvAhaw1Oj8KhE9

Entry address:
0x12103

Entry point:
E8, A8, 3A, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 98, A5, 42, 00, E8, F7, 1B, 00, 00, E8, DD, 1F, 00, 00, 0F, B7, F0, 6A, 02, E8, 3B, 3A, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, 1C, 2F, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.1042

Code size:
124.5 KB (127,488 bytes)

The file prepreinstaller_win.exe has been seen being distributed by the following 3 URLs.

http://d21m4u3yvwhf8i.cloudfront.net/prepreinstaller_win.exe

http://d14940vm2n7yym.cloudfront.net/prepreinstaller_win.exe

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

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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