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microsoft toolkit 2.5.3.exe

Safe Install Opt

This is the OutBrowse Revenyou installer which bundles offers for additional third party applications that may be unwanted and installed without consent. The application microsoft toolkit 2.5.3.exe by Safe Install Opt 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 OutBrowse Revenyou installer.
Publisher:
Safe Install Opt  (signed and verified)

MD5:
32c3a5732c56cda77e82961ebd7f1051

SHA-1:
c2214888bfba9788d2a3cd659065059f95d7ee08

SHA-256:
3e6bc7eb2460ec48b3288268e610cf0ac573deb77c3a7be264868c1f6c45af5c

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 is also known as bundleware, or downloadware, which is an downloader designed to simply deliver ad-supported offers in the setup routine of an otherwise legitimate software.

Analysis date:
5/16/2024 4:24:00 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.SafeInst.Bundler (M)
16.7.5.10

File size:
698.5 KB (715,280 bytes)

File type:
Executable application (Win32 EXE)

Bundler/Installer:
OutBrowse Revenyou (using Nullsoft Install System)

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\video\microsoft toolkit 2.5.3.exe

Digital Signature
Signed by:
Safe Install Opt

Authority:
thawte, Inc.

Valid from:
2/5/2015 7:00:00 AM

Valid to:
1/28/2016 6:59:59 AM

Subject:
CN=Safe Install Opt, O=Safe Install Opt, L=Dublin, S=Dublin, C=IE

Issuer:
CN=thawte SHA256 Code Signing CA, O="thawte, Inc.", C=US

Serial number:
117B6D764620FDA76941B20E33F86520

File PE Metadata
Compilation timestamp:
12/6/2009 5:50:52 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:Yyc3AXrtoYYmphN2PEqibCISU6PzC5yMFURpgOgwfKkiSOb1erU9JgjgB:Yy/XrRY4hN2cqi2IqzqUROQfKkiSORwy

Entry address:
0x30FA

Entry point:
81, EC, 80, 01, 00, 00, 53, 55, 56, 33, DB, 57, 89, 5C, 24, 18, C7, 44, 24, 10, 60, 91, 40, 00, 33, F6, C6, 44, 24, 14, 20, FF, 15, 30, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, B0, 70, 40, 00, 53, FF, 15, 7C, 72, 40, 00, 6A, 08, A3, 18, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9567

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

Remove microsoft toolkit 2.5.3.exe - Powered by Reason Core Security
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