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sto_setup.exe

Yu Bao

The application sto_setup.exe by Yu Bao has been detected as a potentially unwanted program by 2 anti-malware scanners. The file has been seen being downloaded from 113.171.224.210 and multiple other hosts.
Publisher:
Yu Bao  (signed and verified)

Version:
201602251601

MD5:
f30faaba1cb8118b203e0c22870cf002

SHA-1:
8bf7e266ff23caad152eb3a9c97e5f4580dabc8e

SHA-256:
fb08ad644b150e9ade6a7dde72669c7708fc59cf259f24a5960721e67574a38a

Scanner detections:
2 / 68

Status:
Potentially unwanted

Analysis date:
12/25/2024 1:23:52 AM UTC  (today)

Scan engine
Detection
Engine version

Dr.Web
Adware.Mutabaha.1061
9.0.1.05190

Reason Heuristics
PUP.YuBao.Installer (M)
16.3.12.23

File size:
1.4 MB (1,491,976 bytes)

Product version:
201602251601

Copyright:
Copyright 2015 Rafotech. All rights reserved

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\sto_setup.exe

Digital Signature
Signed by:
Yu Bao

Authority:
thawte, Inc.

Valid from:
1/20/2016 7:00:00 AM

Valid to:
10/21/2016 6:59:59 AM

Subject:
CN=Yu Bao, OU=Individual Developer, O=No Organization Affiliation, L=Beijing, S=Beijing, C=CN

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
33B08F2271169C4A724D437F83663F29

File PE Metadata
Compilation timestamp:
2/25/2016 3:07:05 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
12.0

CTPH (ssdeep):
24576:Utgb6Krxi02Xz78Pi92yQDNEBfWGghhOhNGK59A/OpnxLLvuXOZGc:UGb75oz8w258GWpnxXIOZGc

Entry address:
0xB2B33

Entry point:
E8, 1C, B5, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, 8B, 54, 24, 0C, 8B, 4C, 24, 04, 85, D2, 74, 7F, 0F, B6, 44, 24, 08, 0F, BA, 25, 50, E5, 55, 00, 01, 73, 0D, 8B, 4C, 24, 0C, 57, 8B, 7C, 24, 08, F3, AA, EB, 5D, 8B, 54, 24, 0C, 81, FA, 80, 00, 00, 00, 7C, 0E, 0F, BA, 25, E0, 59, 55, 00, 01, 0F, 82, 39, BA, 00, 00, 57, 8B, F9, 83, FA, 04, 72, 31, F7, D9, 83, E1, 03, 74, 0C, 2B, D1, 88, 07, 83, C7, 01, 83, E9, 01, 75, F6, 8B, C8, C1, E0, 08, 03, C1, 8B, C8, C1, E0, 10, 03, C1, 8B, CA, 83, E2, 03, C1, E9, 02...
 
[+]

Entropy:
6.7278

Code size:
1 MB (1,087,488 bytes)

The file sto_setup.exe has been seen being distributed by the following 13 URLs.

http://113.171.224.210/.../dam_setup.exe

http://113.171.224.245/.../ism_setup.exe

http://113.171.224.211/.../ism_setup.exe

http://113.171.224.165/.../ism_setup.exe

http://113.171.224.171/.../dam_setup.exe

http://201.31.162.82/cache/d2xvc2nqkduarq.cloudfront.net/.../dam_setup.exe

http://polifile.co/.../310714_a10.exe

http://skygetfile.co/.../310714_a10.exe

http://polifile.co/.../310714_a10.exe

http://d2xvc2nqkduarq.cloudfront.net/.../ism_setup.exe

http://d2xvc2nqkduarq.cloudfront.net/.../dam_setup.exe

http://d2xvc2nqkduarq.cloudfront.net/.../obs_setup.exe

http://d2xvc2nqkduarq.cloudfront.net/.../setup.exe

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