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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 21 anti-malware scanners. The file has been seen being downloaded from www.istplayer.com.
Publisher:
Square Network Tech Co.,LTD.  (signed and verified)

MD5:
8e67e93a8a39ce32ecdf81fa417672ec

SHA-1:
ae15422a10a900f57270871a1e185d989da7ed6f

SHA-256:
5e1b54586e4c3fa406c53eb6c8bdbddf871ebfef28cee56edd90d7068f8da09e

Scanner detections:
21 / 68

Status:
Adware

Analysis date:
11/30/2024 3:31:57 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.150280
904

Agnitum Outpost
Riskware.Agent
7.1.1

Avira AntiVirus
APPL/Downloader.Gen
7.11.167.110

avast!
Win32:Trojan-gen
2014.9-140814

AVG
Generic
2015.0.3382

Bitdefender
Gen:Variant.Graftor.150280
1.0.20.1135

Comodo Security
Application.Win32.SquareNet.C
19195

Dr.Web
Trojan.Starter.3342
9.0.1.0226

Emsisoft Anti-Malware
Gen:Variant.Graftor.150280
8.14.08.14.09

ESET NOD32
Win32/SquareNet.A potentially unwanted application
8.7.0.302.0

F-Secure
Gen:Variant.Graftor.150280
11.2014-15-08_6

G Data
Gen:Variant.Graftor.150280
14.8.24

IKARUS anti.virus
PUA.SquareNet
t3scan.1.7.5.0

K7 AntiVirus
Unwanted-Program
13.183.13054

McAfee
Program.PUP-FAU
5600.7038

Microsoft Security Essentials
Threat.Undefined
1.179.2954.0

MicroWorld eScan
Gen:Variant.Graftor.150280
15.0.0.681

Panda Antivirus
Trj/Genetic.gen
14.08.15.02

Reason Heuristics
PUP.SquareNetworkTechCoLTD.N
14.8.14.21

Sophos
Square Network Installer
4.98

VIPRE Antivirus
Threat.4895341
32210

File size:
928.6 KB (950,848 bytes)

File type:
Executable application (Win32 EXE)

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:
7/18/2014 6:50:28 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:AvRGnxl/FW7gyqMG9/GzYPAjLIuQKRKAHyRw:xr/JAjXQKRnSRw

Entry address:
0x86BAF

Entry point:
E8, A1, CB, 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:
6.6482

Code size:
649.5 KB (665,088 bytes)

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

http://www.istplayer.com/entry/.../exefile?ref=ssadplex&site_id=25152685

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