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jumpflip.ofsvc.dll

Jump Flip

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

Version:
1.0.5482.3857

MD5:
a11610ed3761291cf599cb12fe13c9fb

SHA-1:
c239f9439ce1a065cbc86477ffb4f2f98117d017

SHA-256:
723f6b2338b87b3e0ce76009bf813698cbcaf0284a244aecf6f3cbf14905d45d

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:
4/9/2025 12:04:59 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.15.14

File size:
1.5 MB (1,581,856 bytes)

Product version:
1.0.5482.3857

Original file name:
JumpFlip.OfSvc2015010410.dll

File type:
Dynamic link library (Win32 DLL)

Language:
Language Neutral

Common path:
C:\Program Files\jump flip\bin\plugins\jumpflip.ofsvc.dll

Digital Signature
Signed by:
Jump Flip

Authority:
VeriSign, Inc.

Valid from:
8/21/2013 7:00:00 PM

Valid to:
8/22/2015 6:59:59 PM

Subject:
CN=Jump Flip, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Jump Flip, L=Santa Monica, 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:
144CF0B61216826C7F439B5C91A6ABD6

File PE Metadata
Compilation timestamp:
1/4/2015 4:08:39 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows Console

Linker version:
6.0

.NET CLR dependent:
Yes

Entry address:
0x1820EE

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, 30, 21, 18, 00, 30, 03, 18, 00, 52, 53, 44, 53, 8F, 51, 1A, 97, BB, AF, A4, 43, AD, 75, E9, 54, 43, 4D, B5, 78, 01, 00, 00, 00, 44, 3A, 5C, 55, 74, 69, 6C, 69, 74, 69, 65, 73, 5C, 75, 33, 6B, 6F, 65, 73, 76, 69, 2E, 32, 76, 33, 5C, 44, 65, 73, 6B, 74, 6F, 70, 5C, 44, 65, 73, 6B...
 
[+]

Entropy:
7.7484

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

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

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