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updater

SerialTrunc

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file updater by SerialTrunc has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat.
Publisher:
SerialTrunc  (signed and verified)

Version:
1.0.5429.13496

MD5:
eceeb28c3a951a0d9bc2f2cbe8b8c095

SHA-1:
3557d55ae71e821da7ef13ca2ed8f90c843e2aa5

SHA-256:
0c75d368a35d7752996c79b5470f62c24bae1e7173f6ff1343d3ce4cc99d2467

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:
4/20/2024 11:02:49 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo.SerialTrunc (M)
16.2.15.7

File size:
120.8 KB (123,680 bytes)

Product version:
1.0.5429.13496

Language:
English (United States)

Common path:
C:\ProgramData\0df3a3ff-f340-47c8-bd12-69f1b8f009ac\updater

Digital Signature
Signed by:
SerialTrunc

Authority:
VeriSign, Inc.

Valid from:
1/3/2014 1:00:00 AM

Valid to:
1/4/2015 12:59:59 AM

Subject:
CN=SerialTrunc, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=SerialTrunc, 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:
167D55FA84ED98E4D7F5933FEC5E95BA

File PE Metadata
Compilation timestamp:
11/12/2014 4:29:59 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:PK35/9oxfTk+Pvn6UPQI0ypxCOW3bZvvv:PKCLPXpLWrZvvv

Entry address:
0x8A72

Entry point:
E8, 95, 57, 00, 00, E9, 7F, FE, FF, FF, 55, 8B, EC, 81, EC, 28, 03, 00, 00, A1, 68, B2, 41, 00, 33, C5, 89, 45, FC, 83, 7D, 08, FF, 57, 74, 09, FF, 75, 08, E8, 79, 45, 00, 00, 59, 83, A5, E0, FC, FF, FF, 00, 6A, 4C, 8D, 85, E4, FC, FF, FF, 6A, 00, 50, E8, 7A, F3, FF, FF, 8D, 85, E0, FC, FF, FF, 89, 85, D8, FC, FF, FF, 8D, 85, 30, FD, FF, FF, 83, C4, 0C, 89, 85, DC, FC, FF, FF, 89, 85, E0, FD, FF, FF, 89, 8D, DC, FD, FF, FF, 89, 95, D8, FD, FF, FF, 89, 9D, D4, FD, FF, FF, 89, B5, D0, FD, FF, FF, 89, BD, CC...
 
[+]

Code size:
68.5 KB (70,144 bytes)

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