{11ac400b-40c3-448e-b034-43bde074aa15}.dll

Strong Signal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {11ac400b-40c3-448e-b034-43bde074aa15}.dll by Strong Signal 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:
Strong Signal  (signed and verified)

Version:
1.0.5704.3101

MD5:
b3ae55de2479786389ac550d0c39a212

SHA-1:
dfb796019dd7e6f81c060120edd4498b5639fcbe

SHA-256:
a8e7b5d09a56ee5e806647af613d4ca5b45f9a2469091780d53ecee854a97090

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:
10/1/2020 6:59:29 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.6

File size:
529.8 KB (542,480 bytes)

Product version:
1.0.5704.3101

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{11ac400b-40c3-448e-b034-43bde074aa15}.dll

Digital Signature
Signed by:

Authority:
VeriSign, Inc.

Valid from:
12/12/2014 2:00:00 AM

Valid to:
12/13/2015 1:59:59 AM

Subject:
CN=Strong Signal, O=Strong Signal, 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:
5047EE0477D4F273DFC93DB8A749B9E0

File PE Metadata
Compilation timestamp:
8/14/2015 11:43:31 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, 50, 5B, 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:
5.4782

Developed / compiled with:
Microsoft Visual C++

Code size:
272.5 KB (279,040 bytes)

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