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rightsurf.gcupdate.dll

RightSurf

This is the Google Chrome extension manager/updater for the Yontoo RightSurf branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module rightsurf.gcupdate.dll by RightSurf has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
RightSurf  (signed and verified)

Version:
1.0.5650.40857

MD5:
89e655044f5aa8c15cd3e8161297588b

SHA-1:
fcf20317db3bf6cc4e4f84f51d4317082180356d

SHA-256:
6312e3793364ba3996347177736976744411870a9ce4dc0323a11f4d3841554c

Scanner detections:
1 / 68

Status:
Adware

Explanation:
Part of the Yontoo distributed ad-supported web browser extension for Chrome.

Analysis date:
5/8/2024 3:47:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.11.22

File size:
1.6 MB (1,640,176 bytes)

Product version:
1.0.5650.40857

Original file name:
2015062206.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\rightsurf\bin\plugins\rightsurf.gcupdate.dll

Digital Signature
Signed by:
RightSurf

Authority:
VeriSign, Inc.

Valid from:
11/3/2014 6:00:00 PM

Valid to:
1/3/2016 5:59:59 PM

Subject:
CN=RightSurf, O=RightSurf, 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:
1E8F736F9D4CC702BAD040A691E0353D

File PE Metadata
Compilation timestamp:
6/22/2015 12:41:54 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x19058E

Entry point:
FF, 25, 00, 20, 00, 10, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
6.6470

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

Code size:
1.6 MB (1,631,744 bytes)

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