PacFunction2015081009.exe

PacFunction

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file PacFunction2015081009.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:
1.0.5700.1964

MD5:
4d5da3a9215712d091f84e2aae8bb309

SHA-1:
7b2d24aa1b092da82fa3ceea4c4df312b9db67ed

SHA-256:
5b20a0418cb97f129d1e7549d51cf706474ed8bca8558a2a93a767c3e2d4ebfc

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:
5/4/2024 2:31:25 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.10.13

File size:
447.2 KB (457,968 bytes)

Product version:
1.0.5700.1964

Original file name:
PacFunction2015081009.exe

Language:
Language Neutral

Common path:
C:\Program Files\pacfunction\bin\tmp4db6.tmp

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/23/2014 8:00:00 AM

Valid to:
2/22/2016 7:59:59 AM

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:
8/10/2015 5:05:28 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x6F95E

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...
 
[+]

Entropy:
6.0123

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

Code size:
438.5 KB (449,024 bytes)

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