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blocknsurf.exe

UgProm LLC

This is the bundle installer which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application blocknsurf.exe by UgProm has been detected as adware 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 Winner Download Manager installer. It is also typically executed from the user's temporary directory.
Publisher:
UgProm LLC  (signed and verified)

MD5:
cebc70641ec9f433885308e73dcbc8b5

SHA-1:
a6eee2bdcfeec2ebfafbf82cf0aaf72867449c63

SHA-256:
95d430aa7375ebaa13c27c859a903864da37a7f2627380f5cc531d58010ef97d

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.

Description:
This 'download manager' is also considered bundleware, a utility designed to download software (possibly legitimate or opensource) and bundle it with a number of optional offers including ad-supported utilities, toolbars, shopping comparison tools and browser extensions.

Analysis date:
12/24/2024 5:36:41 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.TIMP (M)
16.12.3.2

File size:
2.1 MB (2,220,032 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
Winner Download Manager

Common path:
C:\users\{user}\appdata\local\temp\blocknsurf.exe

Digital Signature
Signed by:
UgProm LLC

Authority:
COMODO CA Limited

Valid from:
4/22/2014 2:00:00 AM

Valid to:
4/23/2015 1:59:59 AM

Subject:
CN=UgProm LLC, O=UgProm LLC, STREET="2-aja Zavodskaya ul., 2", L=Kraskovo, S="Moskovskaja Oblast, Lubereckij rayon", PostalCode=140050, C=RU

Issuer:
CN=COMODO Code Signing CA 2, O=COMODO CA Limited, L=Salford, S=Greater Manchester, C=GB

Serial number:
00FFA0C9A17DFA2F1CA08128A1B269A353

File PE Metadata
Compilation timestamp:
7/29/2014 6:21:22 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
49152:5fkmrJK3r9ryNx0YKLOZ/DZ2kVx+sw3f9RPS:br83rpYKiVl2k9i/K

Entry address:
0x1EB02A

Entry point:
55, 8B, EC, 6A, FF, 68, C0, C1, 5E, 00, 68, F0, B1, 5E, 00, 64, A1, 00, 00, 00, 00, 50, 64, 89, 25, 00, 00, 00, 00, 83, EC, 68, 53, 56, 57, 89, 65, E8, 33, DB, 89, 5D, FC, 6A, 02, FF, 15, B4, C0, 5E, 00, 59, 83, 0D, F0, D1, 5E, 00, FF, 83, 0D, F4, D1, 5E, 00, FF, FF, 15, C0, C0, 5E, 00, 8B, 0D, EC, D1, 5E, 00, 89, 08, FF, 15, B8, C0, 5E, 00, 8B, 0D, E8, D1, 5E, 00, 89, 08, A1, D0, C0, 5E, 00, 8B, 00, A3, F8, D1, 5E, 00, E8, 0A, 01, 00, 00, 39, 1D, D8, D1, 5E, 00, 75, 0C, 68, A0, B1, 5E, 00, FF, 15, DC, C0...
 
[+]

Developed / compiled with:
Microsoft Visual C++ v6.0

Code size:
1.9 MB (2,011,136 bytes)

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