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coupontime.gcupdate.dll

Coupon Time

This is the Google Chrome extension manager/updater for the Yontoo Coupon Time branded web browser plugin which injects banners, text-link and popup ads in the Chorme browser. The module coupontime.gcupdate.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:
1.0.5877.2838

MD5:
64801ec0acfc304970d7508d16b26974

SHA-1:
3c4e56eab8849ce50758d42c45bcdfca020b051b

SHA-256:
3bed86f12087f9a007eca0d118d83e1cea6ac235eb64add8156700249ba33b4b

Scanner detections:
1 / 68

Status:
Adware

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

Analysis date:
5/31/2024 9:43:18 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
Adware.Yontoo (M)
17.3.4.0

File size:
1.5 MB (1,585,904 bytes)

Product version:
1.0.5877.2838

Original file name:
2016020309.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

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

Digital Signature
Signed by:
Coupon Time

Authority:
VeriSign, Inc.

Valid from:
3/18/2015 5:00:00 AM

Valid to:
3/18/2016 4:59:59 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:
2/3/2016 2:34:43 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
11.0

.NET CLR dependent:
Yes

Entry address:
0x1831CA

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, 30, 18, 00, 0C, 00, 00, 00, CC, 31, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 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:
7.2938

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

Code size:
1.5 MB (1,577,472 bytes)

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