lly_istartsurf.exe

4711_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:
7th  (signed by Yuxin WANG)

Product:
4711_tugs_istartsurf

Description:
7th

Version:
7,0,0,2795

MD5:
144d0c41eaa62ebf56c5ab54996b0abb

SHA-1:
552ff3a754864e1baf94ae1c0be7a70b59f5d617

SHA-256:
d1c55eebcb9d66c1e768b41b49fb8dd4fc8ed2784a25ff94d4552d60bf4fa3ec

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:
5/11/2024 7:53:43 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.YuxinWANG (M)
15.8.31.13

File size:
260.2 KB (266,488 bytes)

Product version:
7,0,0,2795

Copyright:
7th

Original file name:
7th

File type:
Executable application (Win32 EXE)

Language:
English (United Kingdom)

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
8/28/2015 3:00:00 AM

Valid to:
8/13/2017 2:59:59 AM

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:
31E2FF89836CDA68A695139D076BAD23

File PE Metadata
Compilation timestamp:
8/29/2015 2:35:20 PM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
3072:p+roRS1LQZ2QufvDDDVcqBDpi+H6+jwR38LfAiadwYt+O3LCg0p7oXIixpGAH5aR:pJRS1LQZk/h91Hlj9UistN3qzSZi

Entry address:
0x17AA4

Entry point:
E8, 5B, CF, 00, 00, E9, 00, 00, 00, 00, 6A, 14, 68, 00, B5, 43, 00, E8, 56, 67, 00, 00, E8, 82, 2D, 00, 00, 0F, B7, F0, 6A, 02, E8, EE, CE, 00, 00, 59, B8, 4D, 5A, 00, 00, 66, 39, 05, 00, 00, 40, 00, 74, 04, 33, DB, EB, 33, A1, 3C, 00, 40, 00, 81, B8, 00, 00, 40, 00, 50, 45, 00, 00, 75, EB, B9, 0B, 01, 00, 00, 66, 39, 88, 18, 00, 40, 00, 75, DD, 33, DB, 83, B8, 74, 00, 40, 00, 0E, 76, 09, 39, 98, E8, 00, 40, 00, 0F, 95, C3, 89, 5D, E4, E8, B2, 63, 00, 00, 85, C0, 75, 08, 6A, 1C, E8, DC, 00, 00, 00, 59, E8...
 
[+]

Entropy:
6.3725

Code size:
187.5 KB (192,000 bytes)

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

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