{5159e5bb-8e4b-4b53-ae86-60ea66e72789}.dll

Crazy Score

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {5159e5bb-8e4b-4b53-ae86-60ea66e72789}.dll by Crazy Score has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from the user's temporary directory.
Publisher:
Crazy Score  (signed and verified)

Version:
1.0.5705.40887

MD5:
126b1d11c00a32f1ffc6e39cebb4a167

SHA-1:
bfdc6ecea5de7e3f436ab7a4a05c0fbadef3ec8a

SHA-256:
2f24f8861e888a9289d7bf2a2288f1f8d113fef2256071aaf0b012b23489b561

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:
8/14/2020 6:46:38 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.9

File size:
531.8 KB (544,520 bytes)

Product version:
1.0.5705.40887

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{5159e5bb-8e4b-4b53-ae86-60ea66e72789}.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
3/6/2015 5:30:00 AM

Valid to:
3/6/2016 5:29:59 AM

Subject:
CN=Crazy Score, O=Crazy Score, 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:
787CCA0851A6106E9FCB411D35B4D2A0

File PE Metadata
Compilation timestamp:
8/16/2015 11:13:03 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x1C1FE

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 90, 8D, 00, 00, FF, 75, 10, FF, 75, 0C, FF, 75, 08, E8, 07, 00, 00, 00, 83, C4, 0C, 5D, C2, 0C, 00, 6A, 0C, 68, 60, 5A, 05, 10, E8, E3, 2E, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, CC, FF, 07, 10, 0F, 84, E4, 00, 00, 00, 83, 65, FC, 00, 83, FE, 01, 74, 05, 83, FE, 02, 75, 35, 8B, 0D, BC, 65, 04, 10, 85, C9, 74, 0C, FF, 75, 10, 56, FF, 75, 08, FF, D1, 89, 45, E4, 85, C0, 0F, 84, B1, 00, 00, 00, FF, 75, 10, 56, FF, 75, 08, E8, 11, FE, FF, FF, 89, 45, E4...
 
[+]

Entropy:
5.4659

Developed / compiled with:
Microsoft Visual C++

Code size:
272.5 KB (279,040 bytes)

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