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vpa47hmirw.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 vpa47hmirw.exe by Teal Kitty has been detected as adware by 25 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:
3aeeada63db44e2f28eb3463e9e03adc

SHA-1:
5427a86de0c5061a90c814766988227dc0304c55

SHA-256:
b2491dc36357e389feb41925ba993228a110d3bd6c8eef62b0ce524810fab976

Scanner detections:
25 / 68

Status:
Adware

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

Analysis date:
4/18/2024 11:05:15 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Adware.BrowseFox.BZ
5651644

Agnitum Outpost
PUA.Kranet
7.1.1

AhnLab V3 Security
PUP/Win32.BrowseFox
2015.04.19

AVG
Adware AdPlugin.CVG
2014.0.4311

Baidu Antivirus
Adware.Win32.BrowseFox
4.0.3.15419

Bitdefender
Adware.BrowseFox.BZ
1.0.20.545

Bkav FE
W32.HfsAdware
1.3.0.6379

Clam AntiVirus
Win.Adware.Agent-34627
0.98/21511

Dr.Web
Trojan.Yontoo.1734
9.0.1.05190

Emsisoft Anti-Malware
Adware.BrowseFox.BZ
9.0.0.4799

F-Secure
Adware.BrowseFox.BZ
11.2015-19-04_1

G Data
Adware.BrowseFox.BZ
15.4.25

herdProtect (fuzzy)
variant of 3uztwqekof.exe
2015.7.20.19

K7 AntiVirus
Unwanted-Program
13.202.15641

Kaspersky
not-a-virus:HEUR:AdWare.Win32.Kranet
15.0.0.543

McAfee
Trojan.Artemis!1E15BBF98BDE
16.8.708.2

MicroWorld eScan
Adware.BrowseFox.BZ
16.0.0.327

NANO AntiVirus
Trojan.Nsis.BrowseFox.dnxihk
0.30.16.1110

Norman
Gen:Variant.Adware.SwiftBrowse.1
03.12.2014 13:20:04

nProtect
Adware.BrowseFox.BZ
15.04.17.01

Qihoo 360 Security
HEUR/QVM42.0.Malware.Gen
1.0.0.1015

Reason Heuristics
Threat.Yontoo.Installer
15.4.19.3

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15417

Sophos
PUA 'Browse Fox'
5.13

Vba32 AntiVirus
AdWare.Kranet
3.12.26.3

File size:
511 KB (523,248 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\vpa47hmirw.exe

Digital Signature
Signed by:
Teal Kitty

Authority:
VeriSign, Inc.

Valid from:
1/10/2015 4:00:00 PM

Valid to:
1/11/2016 3:59:59 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 2:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:c90iMk241s15A1dZBFEK/G/8/3D0Fw/tN8dkmLtpHHHrh76E:cSH460ZK8/z0FmcLbH16E

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:
7.9775

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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