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digihelp.ofsvc.dll

DigiHelp

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

Version:
1.0.5467.35813

MD5:
14718e5884b89551a93619ef6f57df30

SHA-1:
3da43ea52d66185244f6b08bd0be1987c7386d48

SHA-256:
eff7ebd0f08bdc7c8947941eaa388eebdb3940641313dd81bc1a560184452ff0

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:
12/24/2024 4:22:05 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.8.9

File size:
1.5 MB (1,581,800 bytes)

Product version:
1.0.5467.35813

Original file name:
DigiHelp.OfSvc2014122103.dll

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\Program Files\digihelp\bin\plugins\digihelp.ofsvc.dll

Digital Signature
Signed by:
DigiHelp

Authority:
VeriSign, Inc.

Valid from:
9/2/2014 2:00:00 AM

Valid to:
9/3/2015 1:59:59 AM

Subject:
CN=DigiHelp, O=DigiHelp, 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:
1A7686F9F81F8C322CBB5D0915469B2B

File PE Metadata
Compilation timestamp:
12/21/2014 4:53:53 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x181F8A

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, 02, 00, 00, 00, 71, 00, 00, 00, CC, 1F, 18, 00, CC, 01, 18, 00, 52, 53, 44, 53, 20, C4, 0D, 0E, B4, E2, EA, 43, 9E, B5, 5B, 7C, 88, B0, 32, D3, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 30, 65, 7A, 69, 71, 32, 77, 77, 2E, 62, 67, 69, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

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

Code size:
1.5 MB (1,573,376 bytes)

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