microsoft toolkit 2.5.3.exe

Click Trust 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 Click Trust 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. The file has been seen being downloaded from get.0109app.info.
Publisher:
Click Trust oPT  (signed and verified)

MD5:
ec001daae1bd396ef713ebd840545a27

SHA-1:
13ce185828038ebaf62ce572be9da53fcf6d31ad

SHA-256:
d3021d4bff7ac5d26c298b03597895916682d5d97ff038450985d463560ba57a

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:
11/23/2024 5:36:18 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse
15.2.25.23

File size:
599 KB (613,384 bytes)

File type:
Executable application (Win32 EXE)

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

Language:
Language Neutral

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

Digital Signature
Signed by:

Authority:
thawte, Inc.

Valid from:
2/17/2015 4:00:00 PM

Valid to:
1/27/2016 3:59:59 PM

Subject:
CN=Click Trust oPT, O=Click Trust oPT, L=Dublin, S=Dublin, C=IE

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

Serial number:
7A7E2E84055A8CFBA08EB863F83B8589

File PE Metadata
Compilation timestamp:
12/5/2009 2:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:dk/IhZWDteipQ7JF+Rl9MrPD+pBMKB/bTJX2MvBUYp8q:dk/ic0OQ7JF2HJH8MJFCq

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:
7.9452

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

The file microsoft toolkit 2.5.3.exe has been seen being distributed by the following URL.

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