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smt_istartsurf.exe

4963_smt_istartsurf

CHAODONG XIAO

The application smt_istartsurf.exe by CHAODONG XIAO has been detected as a potentially unwanted program by 16 anti-malware scanners. It will plug into the web browser and display context-based advertisements by overwriting existing ads or by inserting new ones on various web pages. The file has been seen being downloaded from www.girlliuxiaowei.com.
Publisher:
CHAODONG XIAO  (signed and verified)

Product:
4963_smt_istartsurf

Description:
Installer Module

Version:
1.0.0.2

MD5:
663048820bf08a833f78bbf85abf2d4e

SHA-1:
74092338a4de0487e851852e890ab14ba377ac83

SHA-256:
9f14d5928952cb364539d3b7040f120eb5f837137eec8f61bd1cca2782aadc2c

Scanner detections:
16 / 68

Status:
Potentially unwanted

Explanation:
Injects advertising in the web browser in various formats.

Analysis date:
12/26/2024 4:09:24 PM UTC  (today)

Scan engine
Detection
Engine version

AVG
Generic
2016.0.2937

Baidu Antivirus
Adware.Win32.ELEX
4.0.3.15112

Dr.Web
Adware.Mutabaha.812
9.0.1.0306

ESET NOD32
Win32/ELEX.FK potentially unwanted (variant)
9.12493

Fortinet FortiGate
Riskware/Elex
11/2/2015

G Data
Win32.Application.IStartSurf
15.11.25

K7 AntiVirus
Adware
13.212.17705

Malwarebytes
PUP.Optional.IStartSurf.ShrtCln
v2015.11.02.03

Microsoft Security Essentials
BrowserModifier:Win32/SupTab
1.1.12205.0

Panda Antivirus
Trj/Genetic.gen
15.11.02.03

Qihoo 360 Security
HEUR/QVM10.1.Malware.Gen
1.0.0.1015

Reason Heuristics
Threat.Win.Reputation.IMP
15.11.2.15

Rising Antivirus
PE:Malware.Generic/QRS!1.9E2D [F]
23.00.65.151031

Sophos
Generic PUA JG (PUA)
4.98

VIPRE Antivirus
Trojan.Win32.Generic
44914

Zillya! Antivirus
Adware.BrowseFox.Win32.122766
2.0.0.2484

File size:
538.8 KB (551,680 bytes)

Product version:
1.0.0.2

Copyright:
Copyright 2015

Original file name:
Installer.exe

File type:
Executable application (Win32 EXE)

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

Digital Signature
Signed by:
CHAODONG XIAO

Authority:
thawte, Inc.

Valid from:
11/2/2015 1:00:00 AM

Valid to:
10/21/2016 12:59:59 AM

Subject:
CN=CHAODONG XIAO, 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:
00817D4DBBCE8C47DA8E50C3E019E885

File PE Metadata
Compilation timestamp:
10/15/2015 6:39:01 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
12288:iOadwD+OFIWCCCwOvmBU5SWCN17GfEuvFM4OrPBWaD2WXN9ihrrrrQ:8EwgWCOEuvFM4+saDvXN9iC

Entry address:
0x2EF57

Entry point:
E8, C7, AD, 00, 00, E9, 39, FE, FF, FF, 55, 8B, EC, 56, 57, 8B, 7D, 08, 85, FF, 74, 13, 8B, 4D, 0C, 85, C9, 74, 0C, 8B, 55, 10, 85, D2, 75, 1A, 33, C0, 66, 89, 07, E8, 64, 27, 00, 00, 6A, 16, 5E, 89, 30, E8, 04, 2E, 00, 00, 8B, C6, 5F, 5E, 5D, C3, 8B, F7, 66, 83, 3E, 00, 74, 06, 83, C6, 02, 49, 75, F4, 85, C9, 74, D4, 2B, F2, 0F, B7, 02, 66, 89, 04, 16, 8D, 52, 02, 66, 85, C0, 74, 03, 49, 75, EE, 33, C0, 85, C9, 75, D0, 66, 89, 07, E8, 20, 27, 00, 00, 6A, 22, EB, BA, 55, 8B, EC, 56, 8B, 75, 08, 85, F6, 74...
 
[+]

Entropy:
6.0045

Code size:
346.5 KB (354,816 bytes)

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

http://www.girlliuxiaowei.com/.../smt_istartsurf.exe

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