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coupontime.ofsvc.dll

Coupon Time

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

Version:
1.0.5712.26372

MD5:
6e7fa828cd07e27b2a20460e5badf62d

SHA-1:
fe259408fabba6f20fc1bf97988928220387e782

SHA-256:
110499f1c12652fd2128eeae19634804c0e8a9dd7c5c9f5e1ebd68a5dad61923

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 5:08:01 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.9.23

File size:
2.1 MB (2,149,616 bytes)

Product version:
1.0.5712.26372

Original file name:
CouponTime.OfSvc2015082222.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\coupon time\bin\plugins\coupontime.ofsvc.dll

Digital Signature
Signed by:
Coupon Time

Authority:
VeriSign, Inc.

Valid from:
3/18/2015 2:00:00 AM

Valid to:
3/18/2016 1:59:59 AM

Subject:
CN=Coupon Time, O=Coupon Time, 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:
5580F4EA46A972B28E383D02966AEBA8

File PE Metadata
Compilation timestamp:
8/23/2015 12:39:05 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x20CB7E

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:
7.4565

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

Code size:
2 MB (2,141,184 bytes)

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