microsoft toolkit 2.5.3.exe

otOpIa Soft

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 otOpIa Soft 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:
NXVPP  (signed by otOpIa Soft)

Product:
NXVPP

Version:
3534.15527.832.2204

MD5:
65d77e7a8ac4bd3c42d1caffff9dde37

SHA-1:
6889151cf76b47772a67b25f9b4a538505cc5305

SHA-256:
9294fce8f35e3c3778da9e2f3c73728cd064e0c122378b14c3da2484f3727dae

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:
12/25/2024 6:04:08 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Outbrowse.otOpIaSoft.Bundler (M)
15.11.27.0

File size:
743.8 KB (761,648 bytes)

Product version:
3534.15527.832.2204

Copyright:
NXVPP

Trademarks:
NXVPP

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:
5/26/2015 3:00:00 AM

Valid to:
12/18/2015 1:59:59 AM

Subject:
CN=otOpIa Soft, O=otOpIa Soft, L=Dublin, S=Dublin, C=IE

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

Serial number:
1BE027B843E848104AAC09658A6D1CA0

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

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:dnOR6swLtbNt8c4sjd2FIY0kzITl0wDVkYwZv2PBUGV0u9p1457qURmB7gfc8vyz:dSAbpjd2B0ewVJjVX9v45ugI186z

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, 1C, 45, 00, E8, F1, 2B, 00, 00, A3, 64, 1B, 45, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 37, 43, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, DB, 44, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, A0, 47, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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