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Yula Uninstaller.exe

Yula

Part of the Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application Yula Uninstaller.exe by Yula has been detected as adware by 6 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from install.yulasee.com.
Publisher:
Yula  (signed and verified)

Version:
1.0.0.0

MD5:
e48be5a4d7e6c41f6c5b55ed38a4936f

SHA-1:
1e8c4359f91b6472d1d0410dc43000c856409837

SHA-256:
164972767c8a67855b82c2161e667df3b3710a349e8be0ee1b9cc39f7bbf9fe7

Scanner detections:
6 / 68

Status:
Adware

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
5/17/2024 11:55:02 AM UTC  (today)

Scan engine
Detection
Engine version

AVG
Zula
2015.0.3383

Dr.Web
Trojan.BPlug.95
9.0.1.05190

ESET NOD32
probably MSIL/BrowseFox.G potentially unwanted application
7.0.302.0

McAfee
Trojan.Artemis!E48BE5A4D7E6
16.8.708.2

Reason Heuristics
PUP.Yula.Q
14.8.13.18

VIPRE Antivirus
Threat.4741131
32186

File size:
530.8 KB (543,512 bytes)

Product version:
1.0.0.0

Original file name:
Yula Uninstaller.exe

File type:
Executable application (Win32 EXE)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\yula uninstaller.exe

Digital Signature
Signed by:
Yula

Authority:
VeriSign, Inc.

Valid from:
3/14/2014 5:00:00 PM

Valid to:
3/15/2015 4:59:59 PM

Subject:
CN=Yula, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Yula, 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:
4B2C13D47B877663487D003C021E7110

File PE Metadata
Compilation timestamp:
8/13/2014 5:38:25 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
8.0

.NET CLR dependent:
Yes

CTPH (ssdeep):
6144:AAeJEqLFgnvETKtijUxYv5lS44tdcNOSGOrQuU9aCSoUNwrZbjIo+yoD:AAUNaCDCt6ApU+F2D

Entry address:
0x82B0E

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...
 
[+]

Entropy:
6.0901

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

Code size:
515 KB (527,360 bytes)

The file Yula Uninstaller.exe has been seen being distributed by the following URL.

http://install.yulasee.com/ud

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