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{28e88e86-c140-4856-abef-a100afa12286}.dll

Strong Signal

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The module {28e88e86-c140-4856-abef-a100afa12286}.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:
1.0.5703.1300

MD5:
e7127db7170cee59d6f8d920fcefeba0

SHA-1:
88e0d3309ffe1ddaff7b3c752e4db928c01e90d2

SHA-256:
a50f2db624ee264e3fa78dbf39f949567fdbb9d04a71dbb412ee6d6cca547397

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:
4/24/2024 5:51:13 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.3.16.6

File size:
533.8 KB (546,576 bytes)

Product version:
1.0.5703.1300

File type:
Dynamic link library (Win32 DLL)

Common path:
C:\users\{user}\appdata\local\temp\{28e88e86-c140-4856-abef-a100afa12286}.dll

Digital Signature
Signed by:
Strong Signal

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:
8/13/2015 10:43:30 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, E0, 60, 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:
5.4727

Developed / compiled with:
Microsoft Visual C++

Code size:
272.5 KB (279,040 bytes)

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