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utilloffinam.exe

loffinam

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application utilloffinam.exe by loffinam has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Util loffinam”.
Publisher:
loffinam  (signed and verified)

Version:
1.0.5619.7922

MD5:
fd06339c4adbafb233e950f339ee65d5

SHA-1:
e22d844f2e8afb78cf37b4fa75c7ce0dc9404ad8

SHA-256:
d3f6f617a0f76af649a71199b55a8e01b7c3988b2389d295f0546d6515f321ec

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Belongs to the Sambreel/Yontoo progam that inserts various forms of advertising in the user's web browser, installed with minimal or no user consent.

Analysis date:
5/2/2024 7:34:57 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.1

File size:
638.7 KB (654,064 bytes)

Product version:
1.0.5619.7922

Original file name:
loffinam2015052112.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\loffinam\bin\utilloffinam.exe

Digital Signature
Signed by:
loffinam

Authority:
VeriSign, Inc.

Valid from:
11/5/2014 1:00:00 AM

Valid to:
12/6/2015 12:59:59 AM

Subject:
CN=loffinam, O=loffinam, L=Santa Monica, S=California, C=US

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
729D10E8E1C2641FD549BF172F4BB3BC

File PE Metadata
Compilation timestamp:
5/21/2015 2:24:14 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x9F6B6

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
630 KB (645,120 bytes)

Service
Display name:
Util loffinam

Type:
Win32OwnProcess


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