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86yro8ersa.exe

Teal Kitty

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The application 86yro8ersa.exe by Teal Kitty has been detected as adware by 21 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. 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. It is also typically executed from the user's temporary directory.
Publisher:
Teal Kitty  (signed and verified)

MD5:
31cf919dbdb231a9e019c12fc442a3f8

SHA-1:
db1f75b8dc90da750be02552703431d7f5367f9d

SHA-256:
73341866a545db948ad80deb7b04d1979c39647ae84f194d5845eb18b19c7242

Scanner detections:
21 / 68

Status:
Adware

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

Analysis date:
4/26/2024 12:37:25 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BZ
678

Avira AntiVirus
ADWARE/BrowseFox.Gen
3.6.1.96

AVG
BrowseFox
2016.0.3156

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15328

Bitdefender
Adware.BrowseFox.BZ
1.0.20.435

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1734
9.0.1.087

Emsisoft Anti-Malware
Adware.BrowseFox.BZ
8.15.03.28.05

ESET NOD32
Win32/BrowseFox.C potentially unwanted
9.11364

F-Secure
Adware.BrowseFox.BZ
11.2015-28-03_7

G Data
Adware.BrowseFox.BZ
15.3.25

herdProtect (fuzzy)
variant of nsfa3ef.tmp (Adware)
2015.7.3.6

McAfee
Artemis!31CF919DBDB2
5600.6812

MicroWorld eScan
Adware.BrowseFox.BZ
16.0.0.261

NANO AntiVirus
Trojan.Nsis.BrowseFox.dnxihk
0.30.8.659

nProtect
Adware.BrowseFox.BZ
15.03.23.01

Qihoo 360 Security
Win32/Virus.Adware.80e
1.0.0.1015

Reason Heuristics
Threat.Yontoo.Installer
15.4.11.23

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15326

Sophos
Generic PUA NL
4.98

VIPRE Antivirus
Trojan.Win32.Generic
38702

File size:
465 KB (476,184 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\86yro8ersa.exe

Digital Signature
Signed by:
Teal Kitty

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 10:00:00 PM

Valid to:
1/11/2016 9:59:59 PM

Subject:
CN=Teal Kitty, O=Teal Kitty, 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:
436637AA3101F57468AAB38795B34FD4

File PE Metadata
Compilation timestamp:
12/5/2009 8:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:b0wO1p1s15Ap/G/8/3D0Fw/tN8dkmLtpHHHrh7se:b0Db6j8/z0FmcLbH1se

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...
 
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Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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