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{b8e2cbbd-898d-40c7-b6a9-4e51851d64b9}.dll

Gravity Space

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {b8e2cbbd-898d-40c7-b6a9-4e51851d64b9}.dll by Gravity Space 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:
Gravity Space  (signed and verified)

Version:
1.0.5702.26479

MD5:
4a7003bb790d6584b9fc5083c17c6bcb

SHA-1:
a3913b3e0d8fb6e4842597196631c252d8d1f375

SHA-256:
7fcc1d9b0b66b028d44296f8b4522dc7f08ad43897113dbda97ab362675be05e

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:
11/21/2024 10:33:42 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.13.19

File size:
530.8 KB (543,504 bytes)

Product version:
1.0.5702.26479

File type:
Dynamic link library (Win32 DLL)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{b8e2cbbd-898d-40c7-b6a9-4e51851d64b9}.dll

Digital Signature
Signed by:
Gravity Space

Authority:
VeriSign, Inc.

Valid from:
11/12/2014 7:00:00 AM

Valid to:
11/13/2015 6:59:59 AM

Subject:
CN=Gravity Space, O=Gravity Space, L=Los Angeles, 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:
069199CEBFB30E0185647CAD590BB2AA

File PE Metadata
Compilation timestamp:
8/13/2015 4:42:47 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

Entry address:
0x1C185

Entry point:
55, 8B, EC, 83, 7D, 0C, 01, 75, 05, E8, 09, 8E, 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, B0, 5A, 05, 10, E8, FC, 2D, 00, 00, 33, C0, 40, 8B, 75, 0C, 85, F6, 75, 0C, 39, 35, 8C, 01, 08, 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:
5.4690

Developed / compiled with:
Microsoft Visual C++

Code size:
272.5 KB (279,040 bytes)

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