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{af4544c3-8164-4ea3-8b1f-aae2249b7524}gt.sys

Any Angle

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file {af4544c3-8164-4ea3-8b1f-aae2249b7524}gt.sys by Any Angle 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 Windows kernel mode device driver named “{af4544c3-8164-4ea3-8b1f-aae2249b7524}Gt”.
Publisher:
StdLib  (signed by Any Angle)

Product:
StdLib

Version:
1.4.3.1 built by: WinDDK

MD5:
06b49c1353595abe0b5aabec717bf1fb

SHA-1:
ffd83aa397b55909015c35fe4052c7f526d2bea1

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:
12/28/2024 1:21:37 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
16.11.3.13

File size:
54.5 KB (55,792 bytes)

Product version:
1.4.3.1

Copyright:
Copyright © 2013 StdLib

Original file name:
StdLib.sys

File type:
Driver (Win32 SYS)

Language:
English (United States)

Common path:
C:\Windows\System32\drivers\{af4544c3-8164-4ea3-8b1f-aae2249b7524}gt.sys

Digital Signature
Signed by:
Any Angle

Authority:
VeriSign, Inc.

Valid from:
4/29/2015 5:00:00 PM

Valid to:
4/29/2016 4:59:59 PM

Subject:
CN=Any Angle, O=Any Angle, 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:
751F94FF728C258D6F1BE2042E60FF54

File PE Metadata
Compilation timestamp:
7/2/2015 12:37:06 AM

OS version:
6.1

OS bitness:
Win32

Subsystem:
Native (none required)

Linker version:
9.0

CTPH (ssdeep):
768:+so6LohZZMITF7zKLV3fXoKKxaFtFkW4VIWPLqvH9EQZLN+p60CeQGC:+so6+pT1UvYDEHFV4nPe/kpvCeHC

Entry address:
0xA9BE

Entry point:
8B, FF, 55, 8B, EC, E8, BD, FF, FF, FF, 5D, E9, 2A, E4, FF, FF, CC, CC, 34, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 04, AE, 00, 00, 94, 93, 00, 00, 20, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 3A, AE, 00, 00, 80, 93, 00, 00, 2C, AA, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 56, AE, 00, 00, 8C, 93, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 00, 26, AE, 00, 00, 12, AE, 00, 00, 00, 00, 00, 00, 42, AE, 00, 00, 00, 00, 00, 00, 2C, AB, 00, 00, 44, AB, 00, 00, 56, AB...
 
[+]

Code size:
37 KB (37,888 bytes)

Driver
Display name:
{af4544c3-8164-4ea3-8b1f-aae2249b7524}Gt

Type:
Kernel device driver (KernelDriver)

Group:
PNP_TDI


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