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java_installer.exe

Square Network Tech Co.,LTD.

The application java_installer.exe by Square Network Tech Co.,LTD has been detected as adware by 24 anti-malware scanners. The file has been seen being downloaded from www.istplayer.com.
Publisher:
Square Network Tech Co.,LTD.  (signed and verified)

MD5:
4a3995001b822e807f605434b3905f85

SHA-1:
8d200e80f48013d6fba5a0b3b623039c87b4f4c8

SHA-256:
99467b3b381c25640124abc0b401f7c1a73d8c1d2e03da4be3c19db129cdefea

Scanner detections:
24 / 68

Status:
Adware

Analysis date:
11/30/2024 3:28:31 PM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Gen:Variant.Graftor.150280
822

Agnitum Outpost
Riskware.Agent
7.1.1

AhnLab V3 Security
PUP/Win32.SquareNet
2014.11.05

Avira AntiVirus
APPL/Downloader.Gen
7.11.183.24

avast!
Win32:Malware-gen
141025-0

AVG
Generic
2015.0.3300

Bitdefender
Gen:Variant.Graftor.150280
1.0.20.1540

Clam AntiVirus
Win.Trojan.Squarenet
0.98/19588

Comodo Security
Application.Win32.SquareNet.C
19994

Dr.Web
Trojan.Starter.3364
9.0.1.05190

Emsisoft Anti-Malware
Gen:Variant.Graftor.150280
14.11.04

ESET NOD32
Win32/SquareNet.A potentially unwanted application
7.0.302.0

F-Prot
W32/A-5849272a
v6.4.7.1.166

F-Secure
Gen:Variant.Graftor.150280
11.2014-04-11_3

G Data
Gen:Variant.Graftor.150280
14.11.24

IKARUS anti.virus
PUA.SquareNet
t3scan.1.8.3.0

K7 AntiVirus
Unwanted-Program
13.185.13888

McAfee
PUP-FAU
5600.6956

Microsoft Security Essentials
Threat.Undefined
1.187.1285.0

MicroWorld eScan
Gen:Variant.Graftor.150280
15.0.0.924

Reason Heuristics
PUP.SquareNetworkTechCoLTD.O
14.11.4.13

Sophos
Square Network Installer
4.98

VIPRE Antivirus
Threat.4895341
34232

Zillya! Antivirus
Backdoor.Klon.Win32.1101
2.0.0.1975

File size:
928.2 KB (950,496 bytes)

File type:
Executable application (Win32 EXE)

Common path:
C:\users\{user}\downloads\java_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:
7/31/2014 7:24:02 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:dbBZY8lgcQqQ49B8TQksen+/Bcje/WTU2RKAHw1tC:dXZeEcjewU2RnatC

Entry address:
0x86DFF

Entry point:
E8, 91, 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:
6.6423

Code size:
650.5 KB (666,112 bytes)

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

http://www.istplayer.com/entry/.../exefile?ref=cpxi2&site_id=1258&CLICK_ID=411631663

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