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mask-surf-standard-3-es-en-win.exe

Thanksoft

The application mask-surf-standard-3-es-en-win.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.
Publisher:
Thanksoft  (signed and verified)

MD5:
d993a150ec51fb60fd6c51a86b764ff4

SHA-1:
7376c6410d9852689eae9ef2cc8a4b4f6a29f4d2

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:
4/26/2024 12:01:54 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP (M)
16.8.4.10

File size:
4.1 MB (4,307,640 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Common path:
C:\Documents and Settings\{user}\My documents\downloads\mask-surf-standard-3-es-en-win.exe

Digital Signature
Signed by:
Thanksoft

Authority:
VeriSign, Inc.

Valid from:
9/25/2011 3:00:00 AM

Valid to:
11/11/2012 2:59:59 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:
601A58A2017F0D20AFF0E14B7204977F

File PE Metadata
Compilation timestamp:
7/6/2011 5:31:20 PM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
9.0

CTPH (ssdeep):
98304:KCwz7lsaLH5Le/lSesFZSeAVOiqkZAmLk9RPa:KCwXHLs/lSe7VdT/k9xa

Entry address:
0x354B

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, D8, 84, 40, 00, 89, 6C, 24, 14, FF, 15, 30, 80, 40, 00, 68, 01, 80, 00, 00, FF, 15, B8, 80, 40, 00, 55, FF, 15, B0, 82, 40, 00, 6A, 08, A3, 98, 06, 47, 00, E8, 67, 27, 00, 00, 55, 68, B4, 02, 00, 00, A3, B0, 05, 47, 00, 8D, 44, 24, 38, 50, 55, 68, 1C, 86, 40, 00, FF, 15, 80, 81, 40, 00, 68, 04, 86, 40, 00, 68, A0, 85, 46, 00, E8, 35, 26, 00, 00, FF, 15, B4, 80, 40, 00, 50, BF, A0, 10, 4C, 00, 57, E8, 23, 26, 00, 00...
 
[+]

Entropy:
6.8118

Packer / compiler:
Nullsoft install system v2.x

Code size:
25 KB (25,600 bytes)

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