» microsoft toolkit.exe
Overview
Analysis
File Details
Downloads (1)

microsoft toolkit.exe

Microsoft Toolkit

Download Assistant

This is part of the Air Installer, a download manager which bundles applications with offers for additional 3rd party software, mostly unwanted adware, and may be installed with minimal consent. The application microsoft toolkit.exe by Download Assistant 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 AirInstaller Download Manager installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from download.chromeworld.space.

File name:

Publisher:

Download Assistant (signed and verified)

Product:

Microsoft Toolkit

Version:

3.0.0.155

MD5:

93ba8203dd99d3362b84104c918007c2

SHA-1:

afa0a2638a0379b2e942940bb43456c496a69c26

SHA-256:

8f73089006d37cebc6a38f44e5e77085c26672eb328ae239cc81148ec5120b8f

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:

12/20/2025 2:09:58 PM UTC (today)

Scan engine

Detection

Engine version

Reason Heuristics

PUP.Air Software.Download.Bundler (M)

16.6.24.16

File size:

1.1 MB (1,142,072 bytes)

Product version:

3.0.0.155

File type:

Executable application (Win32 EXE)

Bundler/Installer:

AirInstaller Download Manager

Language:

Language Neutral

Common path:

C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\microsoft%20toolkit.exe

Digital Signature

Signed by:

Download Assistant

Authority:

Symantec Corporation

Valid from:

5/2/2016 9:00:00 PM

Valid to:

8/1/2017 8:59:59 PM

Subject:

CN=Download Assistant, O=Download Assistant, L=Victoria, S=British Columbia, C=CA

Issuer:

CN=Symantec Class 3 SHA256 Code Signing CA, OU=Symantec Trust Network, O=Symantec Corporation, C=US

Serial number:

088066A3A015128F544F3E16DC53BCE8

File PE Metadata

Compilation timestamp:

1/30/2013 12:21:56 PM

OS version:

5.0

OS bitness:

Win32

Subsystem:

Windows GUI

Linker version:

2.25

CTPH (ssdeep):

24576:hxGH2dW3AqJ26b845VfzNjn/xZzy6HFtqxtqUDSXBmuQXIk2AEJakN:aWc31b9fBn/xZFFt1HIuQXIk2AEJakN

Entry address:

0x113BC

Entry point:

55, 8B, EC, 83, C4, A4, 53, 56, 57, 33, C0, 89, 45, C4, 89, 45, C0, 89, 45, A4, 89, 45, D0, 89, 45, C8, 89, 45, CC, 89, 45, D4, 89, 45, D8, 89, 45, EC, B8, 2C, 00, 41, 00, E8, E8, 51, FF, FF, 33, C0, 55, 68, 9E, 1A, 41, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, 5A, 1A, 41, 00, 64, FF, 32, 64, 89, 22, A1, 48, 5B, 41, 00, E8, 16, D8, FF, FF, E8, 65, D3, FF, FF, 80, 3D, DC, 2A, 41, 00, 00, 74, 0C, E8, 2B, D9, FF, FF, 33, C0, E8, 80, 32, FF, FF, 8D, 55, EC, 33, C0, E8, E2, A3, FF, FF, 8B, 55, EC, B8, 50, 86... 
[+]

Developed / compiled with:

Microsoft Visual C++

Code size:

65.5 KB (67,072 bytes)

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

http://download.chromeworld.space/v2/click/km920jtw/?affiliate_image=http://.../32x32.png&d=http://.../toolkit.exe&filename=Microsoft Toolkit&key=79f44da4f7a295cc7fbf4abc9ce2cab6808131e36c5300eeed4ad43dee3db228&n=Microsoft Toolkit&product_image=http://.../325x85.png&sid=&uid=&uao=TW96aWxsYS81LjAgKFdpbmRvd3MgTlQgNi4xOyBXT1c2NCkgQXBwbGVXZWJLaXQvNTM3LjM2IChLSFRNTCwgbGlrZSBHZWNrbykgQ2hyb21lLzUwLjAuMjY2MS4xMDIgU2FmYXJpLzUzNy4zNg__&scid=84e9cc14-1a45-11e6-bae7-0401abffae01

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