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flv_installer.exe

Square Network Tech Co.,LTD.

The application flv_installer.exe by Square Network Tech Co.,LTD has been detected as adware by 22 anti-malware scanners. The program is a setup application that uses the Amonetize Downloader installer. This program installs potentially unwanted software on your PC at the same time as the software you are trying to install, without adequate consent. The file has been seen being downloaded from istdownload.net and multiple other hosts.
Publisher:
Square Network Tech Co.,LTD.  (signed and verified)

MD5:
6dd13b96019d1b6765dd7f7961a3aef5

SHA-1:
e746d7627b222a04aa81ec471cc85be0722a86de

SHA-256:
a087af80acaf4886fc5cfa740b917331e1bfeb35a138faffe043d9e7311ea25a

Scanner detections:
22 / 68

Status:
Adware

Description:
This is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
4/27/2024 12:23:35 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.E
893

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.169.68

avast!
Win32:Malware-gen
140813-1

AVG
Adware BundleApp_r.N
2014.0.3986

Bitdefender
Application.Bundler.E
1.0.20.1190

Dr.Web
Adware.Downware.4148
9.0.1.05190

ESET NOD32
Win32/SquareNet.A potentially unwanted application
7.0.302.0

F-Secure
Application.Bundler.E
11.2014-26-08_3

G Data
Application.Bundler
14.8.24

IKARUS anti.virus
PUA.Bundler
t3scan.1.7.5.0

K7 AntiVirus
Trojan
13.183.13160

Malwarebytes
PUP.Optional.MultiPlug.A
v2014.08.26.03

McAfee
PUP-FAU
5600.7027

Microsoft Security Essentials
Threat.Undefined
1.181.75.0

MicroWorld eScan
Application.Bundler.E
15.0.0.714

Panda Antivirus
Trj/Genetic.gen
14.08.26.03

Reason Heuristics
PUP.SquareNetworkTechCoLTD.N
14.8.26.3

Sophos
Square Network Installer
4.98

SUPERAntiSpyware
Heur.Agent/Gen-FakeChrome
10399

VIPRE Antivirus
Threat.4150696
32210

Zillya! Antivirus
Backdoor.Klon.Win32.1014
2.0.0.1901

File size:
942.1 KB (964,672 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Amonetize Downloader

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

Digital Signature
Signed by:
Square Network Tech Co.,LTD.

Authority:
VeriSign, Inc.

Valid from:
12/30/2013 4:00:00 PM

Valid to:
12/31/2014 3:59:59 PM

Subject:
CN="Square Network Tech Co.,LTD.", OU=Digital ID Class 3 - Microsoft Software Validation v2, O="Square Network Tech Co.,LTD.", L=Zhongshan, S=Guangdong, C=CN

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:
08F1CEE1EA15CE4F4CA29FDEBE3DACA3

File PE Metadata
Compilation timestamp:
5/9/2014 5:09:01 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:omujC/7jg4fqgQ53Q1fsIXfYxMCJSuOIKe/A:omuj2rQ5kfsIPfKjK2A

Entry address:
0x5F7CC

Entry point:
E8, 24, C9, 00, 00, E9, 79, FE, FF, FF, 8B, FF, 55, 8B, EC, 51, 83, 65, FC, 00, 53, 8B, 5D, 10, 85, DB, 75, 07, 33, C0, E9, 9A, 00, 00, 00, 57, 83, FB, 04, 72, 75, 8D, 7B, FC, 85, FF, 76, 6E, 8B, 4D, 0C, 8B, 45, 08, 8A, 10, 83, C0, 04, 83, C1, 04, 84, D2, 74, 52, 3A, 51, FC, 75, 4D, 8A, 50, FD, 84, D2, 74, 3C, 3A, 51, FD, 75, 37, 8A, 50, FE, 84, D2, 74, 26, 3A, 51, FE, 75, 21, 8A, 50, FF, 84, D2, 74, 10, 3A, 51, FF, 75, 0B, 83, 45, FC, 04, 39, 7D, FC, 72, C2, EB, 3F, 0F, B6, 40, FF, 0F, B6, 49, FF, EB, 46...
 
[+]

Entropy:
6.6426

Code size:
484 KB (495,616 bytes)

The file flv_installer.exe has been seen being distributed by the following 2 URLs.

http://istdownload.net/entry/node/file/pkg/flv/.../flv_installer.exe

http://istdownload.net/entry/.../exefile?ref=syieldads&site_id=1-21186457

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