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loffinam.msvcmon.dll.vir

loffinam

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file loffinam.msvcmon.dll.vir by loffinam has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
loffinam  (signed and verified)

Version:
1.0.5414.39274

MD5:
e61cfc820ca69d10892dff5cf8e78a9b

SHA-1:
a79f23ff5924fc8ba372b386fb1b882870d5f9d5

SHA-256:
4bd2b5039d04a0753fcc2aae700d9e948241e59086b5194ef775e7bd43d97d31

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:
4/19/2024 5:33:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.loffinam (M)
16.2.10.12

File size:
616.8 KB (631,584 bytes)

Product version:
1.0.5414.39274

Original file name:
loffinam.Msvcmon.dll

Language:
Language Neutral

Digital Signature
Signed by:
loffinam

Authority:
VeriSign, Inc.

Valid from:
11/14/2013 1:00:00 AM

Valid to:
11/15/2014 12:59:59 AM

Subject:
CN=loffinam, OU=Digital ID Class 3 - Microsoft Software Validation v2, 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:
22B7A9A338918FF4849948EF0C908FAA

File PE Metadata
Compilation timestamp:
10/28/2014 11:49:15 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:h0jMHqp73uVUUjwolg4owroOvHlq1t423ykka8dX+wWAZF5ULT0pny+6BTXQ02kA:hexuVUpob/8OvHs3tbP0pvxkep5ZN9

Entry address:
0x9A1E8

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, 01, 00, 10, 00, 00, 00, 18, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 30, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 00, 00, 00, 00, 48, 00, 00, 00, 54, C0, 09, 00, 9C, 02, 00, 00, 00, 00, 00, 00, 9C, 02, 34, 00, 00, 00, 56, 00, 53, 00, 5F, 00, 56, 00, 45, 00, 52, 00, 53, 00...
 
[+]

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

Code size:
608.5 KB (623,104 bytes)

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