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lly_istartsurf.exe

4539_tugs_istartsurf

Yuxin WANG

The application lly_istartsurf.exe by Yuxin WANG 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 the user's temporary directory. The file has been seen being downloaded from d2drfrdurj6mvo.cloudfront.net.
Publisher:
Webank.net  (signed by Yuxin WANG)

Product:
4539_tugs_istartsurf

Description:
Webank

Version:
6.6.86.1662

MD5:
9e6a830b5922edeec369a3cdee66f64f

SHA-1:
9e2e4cc1057e8ff3c747b37cd545bcdd792d64b9

SHA-256:
5167aee2820e4a749e62f856ecc5cc9e0b3520c88a8f08a3f5582632d1a1bb65

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:
6/17/2024 3:15:26 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.YuxinWANG (M)
15.8.24.17

File size:
289.3 KB (296,256 bytes)

Product version:
6.6.86.1662

Copyright:
Copyright (C) Webank System Lnk 2006

Original file name:
Webank.exe

File type:
Executable application (Win32 EXE)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\lly_istartsurf.exe

Digital Signature
Signed by:
Yuxin WANG

Authority:
thawte, Inc.

Valid from:
8/12/2015 5:00:00 PM

Valid to:
8/12/2017 4:59:59 PM

Subject:
CN=Yuxin WANG, 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:
7E139A7B7017995B5B87896DDDA95102

File PE Metadata
Compilation timestamp:
8/18/2015 7:54:31 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
10.0

CTPH (ssdeep):
3072:JMTsg8LrbEmK4sg2huesr+FXXUekiYst6fzVMhPhxoQlJLwYpMVbs:yh8XrPmFnUeki1t6fSF/jpt

Entry address:
0x13EE2

Entry point:
E8, 44, 9B, 00, 00, E9, 89, FE, FF, FF, 8B, FF, 55, 8B, EC, 83, EC, 20, 8B, 45, 08, 56, 57, 6A, 08, 59, BE, 60, 74, 42, 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, 64, 71, 42, 00, C9, C2, 08, 00, CC, CC, CC, CC, CC, CC, 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...
 
[+]

Entropy:
6.0114

Code size:
152 KB (155,648 bytes)

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

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

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