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air_istartsurf.exe

4259_air_istartsurf

Li Mo

The application air_istartsurf.exe by Li Mo has been detected as adware by 1 anti-malware scanner with very strong indications that the file is a potential threat. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Welnk.com  (signed by Li Mo)

Product:
4259_air_istartsurf

Description:
Welnk

Version:
6.6.86.1646

MD5:
5117440739181751e14603c1ba427415

SHA-1:
52e072896e2d92e8a559eac27e45523b53bdfcd1

SHA-256:
46493b48a675c03521ae7bea01df72ec70098d630f138897cba83ce9dd719416

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:
12/29/2024 12:18:38 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.LiMo (M)
16.1.22.19

File size:
540.5 KB (553,496 bytes)

Product version:
6.6.86.1646

Copyright:
Copyright (C) Welnk 2006

Original file name:
WeLink.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\air_istartsurf.exe

Digital Signature
Signed by:
Li Mo

Authority:
DigiCert Inc

Valid from:
7/16/2015 7:00:00 AM

Valid to:
9/13/2016 7:00:00 PM

Subject:
CN=Li Mo, O=Li Mo, L=Guilin, S=Guangxi, C=CN

Issuer:
CN=DigiCert SHA2 Assured ID Code Signing CA, OU=www.digicert.com, O=DigiCert Inc, C=US

Serial number:
043D25C59C374D87F947A9A448031E94

File PE Metadata
Compilation timestamp:
8/7/2015 10:49:04 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
12288:xvpx+DfuuXwnOWrrcBDf7KpTfenaYBnsi7cCeVfYo3b4CTp5TosmORTf:zhrrSbwfwaGnsi7mVfNrjTp5LRz

Entry address:
0x30EE8

Entry point:
E8, 55, BC, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 48, 05, 46, 00, 8D, 7D, E0, F3, A5, 89, 45, F8, 8B, 45, 0C, 5F, 89, 45, FC, 5E, 85, C0, 74, 0C, F6, 00, 08, 74, 07, C7, 45, F4, 00, 40, 99, 01, 8D, 45, F4, 50, FF, 75, F0, FF, 75, E4, FF, 75, E0, FF, 15, 2C, 01, 46, 00, C9, C2, 08, 00, CC, CC, 8B, 4C, 24, 04, F7, C1, 03, 00, 00, 00, 74, 24, 8A, 01, 83, C1, 01, 84, C0, 74, 4E, F7, C1, 03, 00, 00, 00, 75, EF, 05, 00, 00, 00, 00, 8D, A4, 24, 00, 00, 00...
 
[+]

Entropy:
6.4763

Code size:
377.5 KB (386,560 bytes)

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

http://d2drfrdurj6mvo.cloudfront.net/.../air_istartsurf.exe

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