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vtt_mystartsearch.exe

2142_vtt_mystartsearch

Zhang Ling

The application vtt_mystartsearch.exe by Zhang Ling 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 j.allfreesoft.net.
Publisher:
One Syn  (signed by Zhang Ling)

Product:
2142_vtt_mystartsearch

Description:
Syn worker

Version:
6,3,7601,1332

MD5:
5f99098db1d6e3a7679db2e73b8cf93c

SHA-1:
9056c69e60e940467dda0353f568c6e3212462c3

SHA-256:
b60e6e3ece0f385425fd88e8182d0464078cce3de9ad7a78357db0079d65661a

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:
12/24/2024 12:58:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.ELEX.ZhangLin (M)
16.3.30.11

File size:
302.6 KB (309,872 bytes)

Product version:
6,3,7601,1332

Copyright:
One Syn

Original file name:
Worker.exe

File type:
Executable application (Win32 EXE)

Language:
English (United Kingdom)

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

Digital Signature
Signed by:
Zhang Ling

Authority:
WoSign CA Limited

Valid from:
11/24/2014 7:03:49 AM

Valid to:
6/24/2015 7:03:49 AM

Subject:
CN=Zhang Ling, L=北京市, S=北京市, C=CN

Issuer:
CN=WoSign Class 2 Code Signing CA, O=WoSign CA Limited, C=CN

Serial number:
64AA90E4D11751F466378DD4391C2CAB

File PE Metadata
Compilation timestamp:
11/25/2014 10:53:27 AM

OS version:
5.1

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
11.0

CTPH (ssdeep):
6144:5tO6gG0bZkgyIb/0NkAh0pcR5seo4N4PhoghXA:5toZkTbN3LR5sK25vhXA

Entry address:
0xC49F

Entry point:
E8, 91, 6E, 00, 00, E9, 7F, FE, FF, FF, CC, CC, CC, CC, CC, CC, CC, 57, 56, 8B, 74, 24, 10, 8B, 4C, 24, 14, 8B, 7C, 24, 0C, 8B, C1, 8B, D1, 03, C6, 3B, FE, 76, 08, 3B, F8, 0F, 82, 68, 03, 00, 00, 0F, BA, 25, 54, 57, 42, 00, 01, 73, 07, F3, A4, E9, 17, 03, 00, 00, 81, F9, 80, 00, 00, 00, 0F, 82, CE, 01, 00, 00, 8B, C7, 33, C6, A9, 0F, 00, 00, 00, 75, 0E, 0F, BA, 25, C8, 30, 42, 00, 01, 0F, 82, DA, 04, 00, 00, 0F, BA, 25, 54, 57, 42, 00, 00, 0F, 83, A7, 01, 00, 00, F7, C7, 03, 00, 00, 00, 0F, 85, B8, 01, 00...
 
[+]

Entropy:
5.9327

Code size:
95 KB (97,280 bytes)

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

http://j.allfreesoft.net/inst/software/64F6EF2E-24E3-4626-A0CD-EBBDFEB7C44F/.../vtt_mystartsearch.exe

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