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prepreinstaller_win.exe

Off To Up LLC

The application prepreinstaller_win.exe by Off To Up 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 d2d1nv8k8nhu6y.cloudfront.net.
Publisher:
Off To Up LLC  (signed and verified)

MD5:
84d2dbc0425d2f2a4f83a3e1d3a5cd36

SHA-1:
9d89d9d4915ccd6a032af5bf2a9d65f43bd71e23

SHA-256:
8d91ce2b969f4f89e7523aa77b7abc213f3bc3b7e3beb0ecab02f3dc6d359dc4

Scanner detections:
1 / 68

Status:
Potentially unwanted

Analysis date:
11/24/2024 7:04:21 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.OffToUp (M)
16.1.4.23

File size:
610.1 KB (624,696 bytes)

File type:
Executable application (Win32 EXE)

Language:
English (United States)

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

Digital Signature
Signed by:
Off To Up LLC

Authority:
Off To Up LLC

Valid from:
11/9/2015 5:11:19 PM

Valid to:
11/8/2016 5:11:19 PM

Subject:
CN=Off To Up LLC, OU=OffToUp Inc., O=Off To Up LLC, S=Liverpool, C=UK

Issuer:
CN=Off To Up LLC, C=UK, S=Liverpool, L=Liverpool, E=admin@offtoup.com, OU=OffToUp Inc., O=Off To Up LLC

Serial number:
100001

File PE Metadata
Compilation timestamp:
11/18/2015 9:29:27 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
14.0

CTPH (ssdeep):
12288:CdQ90DyBYwfzYjaoWTAeFWAWEBVg5rIGuDfJ6MPXfLeFA/+eiVDxVXZWjm:EQaDyB/zYjaoWTAeFWAWEBVg5bMPXf6h

Entry address:
0x492FD

Entry point:
E8, F9, 0D, 00, 00, E9, 80, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, CC, CC, B9, 01, 00, 00, 00, F2, 0F, 10, 2D, 08, 0C, 48, 00, EB, 1C, B9, 02, 00, 00, 00, F2, 0F, 10, 2D, 10, 0C, 48, 00, EB, 0D, B9, 03, 00, 00, 00, F2, 0F, 10, 2D, 08, 0C, 48, 00, 66, 0F, 7E, C0, 25, FF, FF, FF, 7F, 3D, 00, 00, 80, 7F, 0F, 83, 4C, 01, 00, 00, F3, 0F, 5A, C0, 83, F9, 02, 75, 18, F2, 0F, 10, 15, 28, 0C, 48, 00, 66, 0F, 2F, C2, 76, 0A, BA, 10, 00, 00, 00, E8, 3D, 01, 00, 00, 66, 0F, 2F, C5, 0F, 83, 21, 01, 00, 00, F2, 0F, 10...
 
[+]

Entropy:
6.6601

Code size:
467 KB (478,208 bytes)

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

http://d2d1nv8k8nhu6y.cloudfront.net/prepreinstaller_win.exe

Remove prepreinstaller_win.exe - Powered by Reason Core Security
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