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teamviewer.exe

The application teamviewer.exe has been detected as a potentially unwanted program by 26 anti-malware scanners. The program is a setup application that uses the NSIS (Nullsoft Scriptable Install System) installer, however the file is not signed with an authenticode signature from a trusted source. The file has been seen being downloaded from www.1freedown.com.
MD5:
dfa430f822abb0c78078d64e24dbc307

SHA-1:
14ce31439e6b66fd8cb80541593c30891f74c41f

SHA-256:
b15bfc043e91fc1f7bbda37b35cb672e27fe7fec53a1e4e0502c24a43393c438

Scanner detections:
26 / 68

Status:
Potentially unwanted

Explanation:
Bundles additional adware offers during download and installation using the OutBrowse installer.

Analysis date:
11/30/2024 11:51:11 AM UTC  (today)

Scan engine
Detection
Engine version

Lavasoft Ad-Aware
Application.Bundler.Outbrowse.A
823

Agnitum Outpost
PUA.OutBrowse
7.1.1

AhnLab V3 Security
PUP/Win32.OutBrowse
2014.09.03

Avira AntiVirus
APPL/Downloader.Gen
7.11.170.158

AVG
OutBrowse
2015.0.3301

Baidu Antivirus
HackTool.Win32.OutBrowse
4.0.3.14114

Bitdefender
Application.Bundler.Outbrowse.A
1.0.20.1540

Comodo Security
Application.Win32.OutBrowse.~B
19406

Dr.Web
Adware.Conduit.14
9.0.1.0308

ESET NOD32
Win32/OutBrowse (variant)
8.10358

Fortinet FortiGate
Riskware/NSIS_OutBrowse
11/4/2014

F-Secure
Application.Bundler.Outbrowse
11.2014-04-11_3

G Data
Application.Bundler.Outbrowse
14.11.24

IKARUS anti.virus
PUA.OutBrowse
t3scan.1.7.5.0

K7 AntiVirus
Trojan
13.183.13247

Kaspersky
not-a-virus:Downloader.NSIS.OutBrowse
14.0.0.2998

Malwarebytes
PUP.Optional.Smart
v2014.11.04.11

McAfee
RDN/Generic PUP.x!bzp
5600.6957

MicroWorld eScan
Application.Bundler.Outbrowse.A
15.0.0.924

NANO AntiVirus
Trojan.Win32.OutBrowse.cxaakt
0.28.2.61942

Panda Antivirus
Trj/NsisDownloader.A
14.11.04.11

Qihoo 360 Security
Trojan.Generic
1.0.0.1015

Quick Heal
TrojanDownloader.NSIS.OutBrowse.B
11.14.14.00

Sophos
OutBrowse
4.98

Vba32 AntiVirus
Downloader.OutBrowse
3.12.26.3

VIPRE Antivirus
OutBrowse
32766

File size:
608 KB (622,542 bytes)

File type:
Executable application (Win32 EXE)

Installer:
NSIS (Nullsoft Scriptable Install System)

Language:
Language Neutral

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

File PE Metadata
Compilation timestamp:
12/5/2009 5:50:52 PM

OS version:
4.0

OS bitness:
Win32

Subsystem:
Windows GUI

Linker version:
6.0

CTPH (ssdeep):
12288:MS5cWN3aPbD3x6imu00ufz6HSkdxvN+RrA55N2uSgcbUe6Q8SAEe3nTJl9:MIrNKPbDVmH0uf+HSkHl+RsnNFSgcD6t

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, EC, 42, 00, E8, F1, 2B, 00, 00, A3, 64, EB, 42, 00, 53, 8D, 44, 24, 34, 68, 60, 01, 00, 00, 50, 53, 68, 98, 8F, 42, 00, FF, 15, 58, 71, 40, 00, 68, 54, 91, 40, 00, 68, 60, E3, 42, 00, E8, A4, 28, 00, 00, FF, 15, AC, 70, 40, 00, BF, 00, 40, 43, 00, 50, 57, E8, 92, 28, 00, 00...
 
[+]

Entropy:
7.9753

Packer / compiler:
Nullsoft install system v2.x

Code size:
23.5 KB (24,064 bytes)

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

http://www.1freedown.com/.../download.php?id=544bfa992b200&i=ica1

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