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teamviewer-quickjoin-download-175113-9.0.29272.exe

TeamViewer QuickJoin

RICH MEDIA SYSTEMS INC.

The application teamviewer-quickjoin-download-175113-9.0.29272.exe by RICH MEDIA SYSTEMS INC has been detected as a potentially unwanted program 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 NSIS (Nullsoft Scriptable Install System) installer. It is also typically executed from the user's temporary directory. The file has been seen being downloaded from teamviewer-quickjoin.joydownload.com and multiple other hosts.
Publisher:
RICH MEDIA SYSTEMS INC.  (signed and verified)

Product:
TeamViewer QuickJoin

Version:
1.0.0.0

MD5:
5fc569a9114bd2bd8ac2b503b067927d

SHA-1:
5ab2715e1a30db89b3f4d1e1aba12913045fa78b

SHA-256:
a9f9479b2ad07a3e47ab53dace430487e20f1d1da5a4a80f6b5f71324db8116e

Scanner detections:
1 / 68

Status:
Potentially unwanted

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.

Analysis date:
12/27/2024 6:52:20 PM UTC  (today)

Scan engine
Detection
Engine version

Reason Heuristics
PUP.RICHMEDIASYSTEMS.Installer (M)
16.2.19.8

File size:
415.8 KB (425,816 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
English (United States)

Common path:
C:\users\{user}\appdata\local\temp\{random}.tmp\teamviewer-quickjoin-download-175113-9.0.29272.exe

Digital Signature
Signed by:
RICH MEDIA SYSTEMS INC.

Authority:
Symantec Corporation

Valid from:
2/17/2015 1:00:00 AM

Valid to:
2/18/2016 12:59:59 AM

Subject:
CN=RICH MEDIA SYSTEMS INC., O=RICH MEDIA SYSTEMS INC., L=HENDERSON, S=Nevada, C=US

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

Serial number:
3F87144C25AF8BCF29F29C5A1FEEF4BA

File PE Metadata
Compilation timestamp:
5/20/2013 1:53:00 AM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:ciuMVsvGpXa8Ae+/c2UNd87X5sTj3G30z56O:AMVKOa8AH/c2UNS75yQ0X

Entry address:
0x331C

Entry point:
81, EC, D4, 02, 00, 00, 53, 55, 56, 57, 6A, 20, 33, ED, 5E, 89, 6C, 24, 18, C7, 44, 24, 10, 30, 92, 40, 00, 89, 6C, 24, 14, FF, 15, 34, 70, 40, 00, 68, 01, 80, 00, 00, FF, 15, BC, 70, 40, 00, 55, FF, 15, AC, 72, 40, 00, 6A, 08, A3, 98, 92, 42, 00, E8, A8, 2E, 00, 00, A3, E4, 91, 42, 00, 55, 8D, 44, 24, 34, 68, B4, 02, 00, 00, 50, 55, 68, 90, 06, 42, 00, FF, 15, 7C, 71, 40, 00, 68, 7C, 93, 40, 00, 68, E0, 81, 42, 00, E8, 13, 2B, 00, 00, FF, 15, 34, 71, 40, 00, BB, 00, 40, 43, 00, 50, 53, E8, 01, 2B, 00, 00...
 
[+]

Packer / compiler:
Nullsoft install system v2.x

Code size:
24 KB (24,576 bytes)

The file teamviewer-quickjoin-download-175113-9.0.29272.exe has been seen being distributed by the following 4 URLs.

http://teamviewer-quickjoin.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEhv4coWK4fE9rm/8qHpxzMkFbk3hYqmqYC/olRZKOSCGGeO1HLAlyPpqx8yPRFXF7SShBkf8 3G5geeE5pmB0zZZqsw6glFHXX gCjl8kshq9C/wSDXAHOlOw4TrMjcNev1nfkVJavqwAzhiOYuXdUB40/i6D3J6P9uujrxhE2i9t1vOn JlGpKjcsusaHNCionoD JnlR8f/9e n1O7ZK1/hWv/XZsCqYSpSDrjspGaiHh5JPYfFM14eyMxu6GtHxprnFLlhoACSnmmU0/u4t 9lFR/.../B5YxDy1yHeAA0nYjlVFJu7glAaCnvWH6DxXdzNpUvNkA==

http://teamviewer-quickjoin.joydownload.com/get_azure_file/wUiS4WnYccXBwj sXP7oQkEsnl0kPTqnERz1cteQv I253eq ysyl4pHaAW7erC/NXG8ykYcZzLRXbDyX B13vglnZXGXVPIoT3zT0zxsmnp1KmF 5vKmiBBo58ih1BQXzWtCDRn0Ic79WjwW2mLQa5Xi83jPSVYK6s5bBIIOb2wDyQrJ4mNNBBhhqLuAH98LJf5kuc3BHu5tUjE3/VoDoDrKZ77fXof1cS9F/.../9WZAEsNrvHD63787BzjEhYLNCRIcgMGEjruCuHx1jkEP4gs9PUCbiDB z s72zEwvPXjWu2MTz9KQOnGiVwKE3Oh0MAjx3mLdAgAnPDIfTtP80AIXEnGREKb9R9rEp1vNkA==

http://teamviewer-quickjoin.joydownload.com/get_azure_file/wUiS4WnYccXAwj uQbjxCggnkkU3LTPkEh74coqM6bdjr3f14WJwwckKKFXsK7H9P3mulA0bcj/dUqzlRKc8gLNixMyPQ1nAommhWQGi mb zqyC9YOHyD1ZqtY6gF9QDS/zGDU2nsEj7Cj9SGjaSr9W2oG4YyUMK7M0JQoNMa/ Un1tc43EJBEw0 L2GWUvf4/glrRrWjb98UjE3/VvDoD KZa8ZChW3sr F 8ujUhdrdG/2ErzN6B0kymuAsxV6MeySDrjsJuC2nV0db0AT4c3K3wqt/.../z9WwJiWaSHzHx6E1ucrNkWuiX6GUBc0bn9eFpK0yxdOBnKcF6T5UYqM90vNkA==

http://sdnsoftorg.blob.core.windows.net/fas/wi/1/37/1/.../teamviewer-quickjoin-download-175113-9.0.29272.exe

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