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{4b7ec6fa-09d3-4094-b748-df8c5cb580e9}.dll

Crazy Score

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {4b7ec6fa-09d3-4094-b748-df8c5cb580e9}.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:
1.0.5709.39023

MD5:
e4be1681689d3efa025243ac303d18bd

SHA-1:
b925d96ea75bcab5b6ad9d9ab2df6f5f23d5fc61

SHA-256:
fe13f57aba07d97c08647e59ed9ffe5962bf4ddc31c3425312b081bae7a2fdbf

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:
12/22/2024 9:50:23 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.9

File size:
532.3 KB (545,032 bytes)

Product version:
1.0.5709.39023

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{4b7ec6fa-09d3-4094-b748-df8c5cb580e9}.dll

Digital Signature
Signed by:
Crazy Score

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:
8/20/2015 10:10:57 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, 30, 5D, 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:
5.4721

Developed / compiled with:
Microsoft Visual C++

Code size:
272.5 KB (279,040 bytes)

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