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PacFunction2015071113.exe

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file PacFunction2015071113.exe by PacFunction has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
PacFunction  (signed and verified)

Version:
1.0.5670.9850

MD5:
cb854f90499598ca7cf433fe149f621d

SHA-1:
6abd86b8a5f016d8842c9f5d6a3daa36d9070692

SHA-256:
16d38b509946d448ab726846186d2b6c30feba2da98b234e9d271f348e516548

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:
11/27/2024 4:37:51 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.4.18

File size:
461.2 KB (472,304 bytes)

Product version:
1.0.5670.9850

Original file name:
PacFunction2015071113.exe

Language:
Language Neutral

Common path:
C:\Program Files\pacfunction\tmpb7ad.tmp

Digital Signature
Signed by:
PacFunction

Authority:
VeriSign, Inc.

Valid from:
12/22/2014 4:00:00 PM

Valid to:
2/21/2016 3:59:59 PM

Subject:
CN=PacFunction, O=PacFunction, L=San Diego, 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:
577EA5DC8266D5CCDB3FA17D795517BD

File PE Metadata
Compilation timestamp:
7/11/2015 5:28:20 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x731BE

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, 02, 00, 10, 00, 00, 00, 20, 00, 00, 80, 18, 00, 00, 00, 38, 00, 00, 80, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 01, 00, 01, 00, 00, 00, 50, 00, 00, 80, 00, 00, 00, 00, 00, 00...
 
[+]

Entropy:
6.0760

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

Code size:
452.5 KB (463,360 bytes)

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