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updatetopictorch.exe

Alactro LLC

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application updatetopictorch.exe by Alactro has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It runs as a separate (within the context of its own process) windows Service named “Update TopicTorch”.
Publisher:
Alactro LLC  (signed and verified)

Version:
1.0.5324.35575

MD5:
c87397fb3efa54c684229d7dfa3aa52a

SHA-1:
14500e5b1d3b4046085fe205e4fced1f133e80a8

SHA-256:
048181030cc6673abbdd000b00ad9daa989fed4b222bc98d1fe3866b5babd5bf

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:
5/3/2024 7:59:09 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.10.10.23

File size:
249.3 KB (255,264 bytes)

Product version:
1.0.5324.35575

Original file name:
Desktop.exe

File type:
Executable application (Win32 EXE)

Common path:
C:\Program Files\topictorch\updatetopictorch.exe

Digital Signature
Signed by:
Alactro LLC

Authority:
VeriSign, Inc.

Valid from:
6/24/2013 9:00:00 PM

Valid to:
8/23/2016 8:59:59 PM

Subject:
CN=Alactro LLC, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Alactro LLC, L=Grandville, S=Michigan, 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:
018D4FCE8B07C5BF93892F3E2AB578D5

File PE Metadata
Compilation timestamp:
7/30/2014 5:46:05 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:6faaR8bvuXpL1KItQ25r2fIxFsAGgtWs+xlsIbeHHwDlhIqSVnBY:lUug5YpsYbewDlhxa2

Entry address:
0x3E0B6

Entry point:
FF, 25, 00, 20, 40, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00...
 
[+]

Developed / compiled with:
Microsoft Visual C# / Basic .NET

Code size:
240.5 KB (246,272 bytes)

Service
Display name:
Update TopicTorch

Type:
Win32OwnProcess


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