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teamviewer.exe

TeamViewer

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 teamviewer.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. The file has been seen being downloaded from download.review-assist.com.
Publisher:
DownloadAsst_New  (signed by Download Assistant)

Product:
TeamViewer

Version:
3.0.0.105

MD5:
1976c03a532c4bd1f667161167b5cef9

SHA-1:
a63b90bb5a0a2cbbd63e460055508afae2b99e1b

SHA-256:
f79239c0cb17b44cad12e7db9f45e1a780c06c3603d2fccb992e10aba87587c9

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:
12/27/2024 1:33:21 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.Air Software.Download.Bundler (M)
16.5.12.6

File size:
1.1 MB (1,104,480 bytes)

Product version:
3.0.0.105

Copyright:
(c) DownloadAsst_New

File type:
Executable application (Win32 EXE)

Bundler/Installer:
AirInstaller Download Manager

Language:
Language Neutral

Common path:
C:\users\{user}\downloads\teamviewer.exe

Digital Signature
Signed by:
Download Assistant

Authority:
Symantec Corporation

Valid from:
2/15/2015 7:00:00 PM

Valid to:
2/16/2016 6:59:59 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:
3784E4CAC60231ED82FD7E8E845E8CE3

File PE Metadata
Compilation timestamp:
1/30/2013 9:21:56 AM

OS version:
5.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:rxG/Alai7d5F431zfGqk2cnGzoyNeWDoIZY4TsoPTiGL+6:Ew3q3hRkmneWD1TWGL+6

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...
 
[+]

Entropy:
6.9473

Developed / compiled with:
Microsoft Visual C++

Code size:
65.1 KB (66,674 bytes)

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

http://download.review-assist.com/v2/click/ea070ffd/?d=http://www.installer-assist.com/download/TeamViewer_Setup_en.exe&key=ada7eea1a99f84626e596e1a6905dd687066d3d0277d430d0d74676f98ea8b6c&sid=TeamViewer&uid=TeamViewer&affiliate_image=http://download-assist.com/admin/.../Team-Viewer-icon_i.png&product_image=http://download-assist.com/admin/.../Team-Viewer-icon_p.png&n=TeamViewer&filename=TeamViewer

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