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cytiwebuninstall.exe

Girafarri

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application cytiwebuninstall.exe by Girafarri has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer.
Publisher:
Girafarri  (signed and verified)

MD5:
d40291c4e585a5526306afa7fc4fa8ef

SHA-1:
6a5d16633331046ba58d786f75b0b539afc9d9e2

SHA-256:
a749cd4d86b67e930581d960afeccb1468244b45b65d9ee06f4419bf2333ff19

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:
11/27/2024 1:11:10 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Yontoo (M)
17.2.26.15

File size:
255.4 KB (261,560 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Program Files\cyti web\cytiwebuninstall.exe

Digital Signature
Signed by:
Girafarri

Authority:
VeriSign, Inc.

Valid from:
4/22/2014 7:00:00 AM

Valid to:
4/23/2015 6:59:59 AM

Subject:
CN=Girafarri, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Girafarri, L=Santa Monica, 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:
2FB197284297D52000599AA2F7D0668F

File PE Metadata
Compilation timestamp:
12/6/2009 5:52:01 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

Entry address:
0x30CB

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 38, 6F, 44, 00, E8, F1, 2B, 00, 00, A3, 84, 6E, 44, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 30, 9C, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 80, 2E, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, F0, 46, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.8731

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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