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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 1 anti-malware scanner with very strong indications that the file is a potential threat. The file has been seen being downloaded from track.mobclick.net.
Publisher:
Square Network Tech Co.,LTD.  (signed and verified)

MD5:
1a8e5591d92b29d034c2ba30d55fe359

SHA-1:
9770b82854a22f905e669bffa0a7836f12273993

SHA-256:
ba30a89c439c290b7cb7ab1c86b14916e0d70245fc0fb4675fe782cd50f95a6e

Scanner detections:
1 / 68

Status:
Adware

Note:
Our current pool of anti-malware engines have not currently detected this file, however based on our own detection heuristics we feel that this file is unwanted.

Analysis date:
11/27/2024 9:50:40 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.SquareNetworkTechCoLTD.N
14.8.7.16

File size:
945.8 KB (968,488 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 6:00:00 PM

Valid to:
12/31/2014 5:59:59 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:
1/24/2014 12:20:58 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
24576:MBTi/Er4qbJsyB7g77mVlJpEKghB3666zWdsP1es/m7p:ITi/Erd6yO7mhpxgbBUW2knp

Entry address:
0x5DB50

Entry point:
E8, 5F, 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:
7.1163

Code size:
484 KB (495,616 bytes)

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

http://track.mobclick.net/download/flv/custom/.../flv_installer.exe

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