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upperfind.purbrowse.dll

UpperFind

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

Version:
1.0.6083.4670

MD5:
efbb4a57418d9f8440921907884c4f47

SHA-1:
d53a2d5cf074610d979a266722d891526dae0f4c

SHA-256:
5db648691a9158242ba5fe9faee0bdf0ebf06fa5eba19179550a5a3d56be8aa6

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:
5/20/2024 11:43:22 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.9.28.3

File size:
1.2 MB (1,266,088 bytes)

Product version:
1.0.6083.4670

Original file name:
2016082710.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\upperfind\bin\plugins\upperfind.purbrowse.dll

Digital Signature
Signed by:
UpperFind

Authority:
Symantec Corporation

Valid from:
7/16/2015 8:00:00 AM

Valid to:
9/14/2016 7:59:59 AM

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

Issuer:
CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:
30FD71FDC67AB01DA120C1E3EFFD9828

File PE Metadata
Compilation timestamp:
8/27/2016 6:35:45 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
24576:ov+Wg+dICT7f41eIDr2xf4GoEdW0YCtwbh19diQpu9rhFLTU:ov+WgoICTEVixbECtOvoKg4

Entry address:
0x13500A

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:
7.3647

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

Code size:
1.2 MB (1,257,984 bytes)

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