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nsh2a29.tmp

Hatchiho

This is the installer/setup program for a Yontoo adware component, a web browser plugin that injects unwanted ads in the browser. The file nsh2a29.tmp by Hatchiho has been detected as adware by 15 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:
Hatchiho  (signed and verified)

MD5:
2accfdcd7ba38212d1c2839a09093cb7

SHA-1:
585b5b2f442f8ca6dfaab5a530f936e28ad5ee2b

SHA-256:
774ce99e8e1ac778ec3ddb965eeff483dbb034f1fc4c3beabdaad4eccc24cce2

Scanner detections:
15 / 68

Status:
Adware

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

Analysis date:
4/18/2024 1:26:38 AM UTC  (today)

Scan engine
Detection
Engine version

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
ADWARE/BrowseFox.Gen
8.3.1.6

AVG
Could be an adware BrowseFox
2014.0.4311

Bkav FE
W32.HfsAdware
1.3.0.6379

Dr.Web
Trojan.Yontoo.1808
9.0.1.05190

ESET NOD32
Win32/BrowseFox.AV potentially unwanted application
7.0.302.0

IKARUS anti.virus
PUA.BrowseFox
t3scan.1.8.9.0

Kaspersky
not-a-virus:HEUR:AdWare.NSIS.Zaitu
14.0.0.2002

McAfee
Trojan.Artemis!2ACCFDCD7BA3
18.0.204.0

NANO AntiVirus
Trojan.Win32.Siggen6.droatj
0.30.24.1636

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

Reason Heuristics
PUP.Yontoo.Installer
15.5.22.14

Rising Antivirus
NS:PUF.SilenceInstaller!1.9DDF
23.00.65.15520

Sophos
Generic PUA FI
4.98

VIPRE Antivirus
Threat.4150696
40432

File size:
454.2 KB (465,144 bytes)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\nsh2a29.tmp

Digital Signature
Signed by:
Hatchiho

Authority:
VeriSign, Inc.

Valid from:
11/4/2014 12:00:00 AM

Valid to:
1/3/2016 11:59:59 PM

Subject:
CN=Hatchiho, O=Hatchiho, 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:
18C541759E913EC1CBDA43C13830E0B3

File PE Metadata
Compilation timestamp:
12/5/2009 10:52:01 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:k1FfJMbE96fly51s15Ap/G/8g3D0Fw/tN8dkmLtpHHHrh7OD:k1hJ59V56j8gz0FmcLbH1OD

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:
7.9730

Packer / compiler:
Nullsoft install system v2.x

Code size:
22.5 KB (23,040 bytes)

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