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teamviewer.exe

Program Setup

Advertiso GmbH

The installer utilizes the installCore download manager which may bundle additional offers for various ad-supported toolbars, extensions and utilities. The application teamviewer.exe by Advertiso GmbH 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 installCore installer. It is also typically executed from an Internet Explorer cache folder. The file has been seen being downloaded from www.bitstagcontent.com.
Publisher:
SecuredDownload  (signed by Advertiso GmbH)

Product:
Program Setup

Version:
1.0.5.a0.1_61889

MD5:
39de2dd90f02fb4432fa1803a0c64d2f

SHA-1:
df9a5fd09f169c3cfe074347fa0e058946107eec

SHA-256:
0cfd64a5f772b2113096297c653ad86886cebd98bab2f939b973866db07fef2d

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:
11/2/2024 9:33:26 AM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.installCore (M)
16.8.11.4

File size:
926.5 KB (948,752 bytes)

Product version:
1.0.5.a0.1_61889

Copyright:
SecuredDownload

File type:
Executable application (Win32 EXE)

Bundler/Installer:
installCore (using Inno Setup)

Language:
Language Neutral

Common path:
C:\users\{user}\appdata\local\microsoft\windows\temporary internet files\content.ie5\{random}\teamviewer.exe

Digital Signature
Signed by:
Advertiso GmbH

Authority:
GlobalSign nv-sa

Valid from:
1/29/2016 7:18:13 AM

Valid to:
2/28/2017 6:18:13 AM

Subject:
CN=Advertiso GmbH, O=Advertiso GmbH, L=Hamburg, S=Hamburg, C=DE

Issuer:
CN=GlobalSign CodeSigning CA - SHA256 - G2, O=GlobalSign nv-sa, C=BE

Serial number:
1121DC03319C2856FEEAC8C45933D49AAE7A

File PE Metadata
Compilation timestamp:
6/19/1992 7:22:17 PM

OS version:
1.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
2.25

CTPH (ssdeep):
24576:xmFwg4qGNjDS/VXiGOzWtcT+79mFs6tkef:xEM70/VXiBzmwVf

Entry address:
0x9C40

Entry point:
55, 8B, EC, 83, C4, C4, 53, 56, 57, 33, C0, 89, 45, F0, 89, 45, DC, E8, 86, 94, FF, FF, E8, 8D, A6, FF, FF, E8, 1C, A9, FF, FF, E8, BF, A9, FF, FF, E8, 5E, C9, FF, FF, E8, C9, F2, FF, FF, E8, 30, F4, FF, FF, 33, C0, 55, 68, FC, A2, 40, 00, 64, FF, 30, 64, 89, 20, 33, D2, 55, 68, C5, A2, 40, 00, 64, FF, 32, 64, 89, 22, A1, 14, C0, 40, 00, E8, 96, FE, FF, FF, E8, C9, FA, FF, FF, 8D, 55, F0, 33, C0, E8, 83, CF, FF, FF, 8B, 55, F0, B8, 24, CE, 40, 00, E8, 32, 95, FF, FF, 6A, 02, 6A, 00, 6A, 01, 8B, 0D, 24, CE...
 
[+]

Packer / compiler:
Inno Setup v5.x - Installer Maker

Code size:
37 KB (37,888 bytes)

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

http://www.bitstagcontent.com/u a2pOcLRP BdCIA05X5lfA15p5PIpMlQ4HkEoqbMXv2MseFZ5EEvJs9vuNoZoKDtnh_qmiRGzT47RPDx5sX_Rx8PcCloGWjj1UFfjjPMxWvT_hiOF_byoKgXBfoJGQeo9Azeq74Od8K8_KTA6di4jDwBkjPSpq38wwkquYZXfuGB5JoOgSSs7RFMoO0xMzyrROX_0VKqncss q49Mit WSYSOSGpKdb0KzzqiPbnozgIWMYFYTZQ0RA0TkTPOrsBbYWo80OrYO29MTEfbvjfqW4sYI8manITAVHpw9niSbDOape0NFnO4RoZJeDtBOjIwGoX0M83qkiObhHNRp 9Yn15Ovgwx2KsJ8OU3M4b0dQd1hQm07ge7iVJ4 uXjid_cccz3nT3pjLw_4a33_JzqH3tdiyCd1CwJ51RShC8M9k9vrsOb59vh6nkbRwx3zNRxA7hVtkXXpZieZb7eihi6aHHdY9Kk08nhFMjmxfZNO5 dn7DfgnDH9syPMG9xkxNk5gQKP8RAhUczVqBPuVs4lMOsPkKPdbKnVaGxzGKriy6QwO rVmY6Itp2phpEKcydVjFPI_0jfeM8_vIW1xEYaXsZpQHMr6HWYSH1Oqfwe8qcEcM9gc9bv0KQnvVlpdFoiiv6JRdLh9Xvy2l2Y0GtUtQVaPDaXsvVvlvkBZohGqeKiu3b1bRB6BoMcWDDdZi8OtghggzUZiIBUxzDDQhoIFkVlcN5m KWX9MjfuJauf8gvWOyCOpgGbHtIiIvc8fJZT8n6A7mF2eAsGfaaaUSznlr 8NQ==-GzUAAMTOFpPDBFIQinBRsv0eNuDAqUASGwiHjbEzFRzFGytKvEbinUZpc_ZdwbDLJfgJ

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