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mask-surf-lite.exe

Thanksoft

The application mask-surf-lite.exe by Thanksoft has been detected as a potentially unwanted program by 1 anti-malware scanner with very strong indications that the file is a potential threat. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from download.findmysoft.com.
Publisher:
Thanksoft  (signed and verified)

MD5:
ebaf6625d24fd6b85be7269b0aedf81d

SHA-1:
0c3557975e0e38737b188df8f47bf6d366f9718a

SHA-256:
da1f24bce67f462448090e8da286c639fdda80b7218fbc3caf728e9a2654c4d3

Scanner detections:
1 / 68

Status:
Potentially unwanted

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:
12/25/2024 6:43:44 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Thanksoft.Installer (M)
16.2.6.19

File size:
62.1 MB (65,066,368 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\users\{user}\appdata\local\temp\mask-surf-lite.exe

Digital Signature
Signed by:
Thanksoft

Authority:
VeriSign, Inc.

Valid from:
1/31/2014 4:00:00 AM

Valid to:
2/1/2015 3:59:59 AM

Subject:
CN=Thanksoft, OU=Digital ID Class 3 - Microsoft Software Validation v2, O=Thanksoft, L=Dnepropetrovsk, S=n/a, C=UA

Issuer:
CN=VeriSign Class 3 Code Signing 2010 CA, OU=Terms of use at https://www.verisign.com/rpa (c)10, OU=VeriSign Trust Network, O="VeriSign, Inc.", C=US

Serial number:
6C1556EB6266C79DF482A0471E0F4004

File PE Metadata
Compilation timestamp:
10/7/2014 8:40:17 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
1572864:LEmYaKi3eFfTXemebVTQ2cvHyXQXNofeUZUq7hS3Urbs:LJ73eFremea2YSg9ofeuIkc

Entry address:
0x3217

Entry point:
81, EC, 84, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 30, 91, 40, 00, 89, 5C, 24, 20, C6, 44, 24, 14, 20, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B4, 70, 40, 00, 53, FF, 15, 8C, 72, 40, 00, 6A, 09, A3, B8, 37, 42, 00, E8, C0, 2D, 00, 00, A3, 04, 37, 42, 00, 53, 8D, 44, 24, 38, 68, 60, 01, 00, 00, 50, 53, 68, B8, EC, 41, 00, FF, 15, 64, 71, 40, 00, 68, E4, 91, 40, 00, 68, 00, 2F, 42, 00, E8, 6A, 2A, 00, 00, FF, 15, B0, 70, 40, 00, BD, 00, 90, 42, 00, 50, 55, E8, 58, 2A...
 
[+]

Entropy:
8.0000

Packer / compiler:
Nullsoft install system v2.x

Code size:
23 KB (23,552 bytes)

The file mask-surf-lite.exe has been seen being distributed by the following URL.

http://download.findmysoft.com/2014/11/.../mask-surf-lite_3.6.exe

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