uninstall.exe

  • File Path: C:\Program Files (x86)\TeamViewer\uninstall.exe

Hashes

Type Hash
MD5 79AA93413FA81C90930008A95F63190F
SHA1 A03E40F9498E6E91078CF5B635FE05FD4ACA46B9
SHA256 3561852DA0901A2EC0865EDA7314E679B9BC01EB504C2223F2CBC234618DD53B
SHA384 5E9598F4FA3CC5265681B07756E22DADE63312C9218ACE7C4A777AA5B0E7AEB3286CB2EAD6DFB56F3D8C8C40492DC91F
SHA512 3DD2EF5364328274EEE55A459AB30424725DAAD17ACA997585CD9E299683A5BC10A2062B3807DA6C04F089DAE2CDF788639482B614A9B1D6FC391A2575555CB5
SSDEEP 12288:PXstgJk9fu37MnGZoDxpuxoP7IRuY53kU:vst8k9fu37Mn8uxpuxMkR353kU
IMP E2A592076B17EF8BFB48B7E03965A3FC
PESHA1 6F33F85E1C9FE7EA3DF23C2993CD595F2581235C
PE256 95B92452B8060A3130653D36AA0D949BFC3D28188097135028F19502B45953E4

Runtime Data

Child Processes:

Un_A.exe

Loaded Modules:

Path
C:\Program Files (x86)\TeamViewer\uninstall.exe
C:\Windows\SYSTEM32\ntdll.dll
C:\Windows\System32\wow64.dll
C:\Windows\System32\wow64cpu.dll
C:\Windows\System32\wow64win.dll

Signature

  • Status: Signature verified.
  • Serial: 0B446546C36525BF5F084F6BBBBA7097
  • Thumbprint: 05CDF79B0EFFFF361DAC0363ADAA75B066C49DE0
  • Issuer: CN=DigiCert Assured ID Code Signing CA-1, OU=www.digicert.com, O=DigiCert Inc, C=US
  • Subject: CN=TeamViewer Germany GmbH, O=TeamViewer Germany GmbH, L=Gppingen, S=Baden-Wrttemberg, C=DE

File Metadata

  • Original Filename:
  • Product Name:
  • Company Name:
  • File Version:
  • Product Version:
  • Language: English (United States)
  • Legal Copyright:
  • Machine Type: 32-bit

File Scan

  • VirusTotal Detections: 0/70
  • VirusTotal Link: https://www.virustotal.com/gui/file/3561852da0901a2ec0865eda7314e679b9bc01eb504c2223f2cbc234618dd53b/detection/

File Similarity (ssdeep match)

File Score
C:\program files (x86)\TeamViewer\uninstall.exe 79
C:\Program Files (x86)\TeamViewer\uninstall.exe 77

Possible Misuse

The following table contains possible examples of uninstall.exe being misused. While uninstall.exe is not inherently malicious, its legitimate functionality can be abused for malicious purposes.

Source Source File Example License
sigma win_builtin_remove_application.yml title: An Application Is Uninstall DRL 1.0
sigma win_susp_system_update_error.yml - 24 # Uninstallation Failure: Windows failed to uninstall the following update with error DRL 1.0
sigma posh_ps_software_discovery.yml ScriptBlockText\|contains\|all: # Example: Get-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\* \| Select-Object DisplayName, DisplayVersion, Publisher, InstallDate \| Format-Table -Autosize DRL 1.0
sigma proc_creation_win_cleanwipe.yml CommandLine\|contains: '--uninstall' DRL 1.0
sigma proc_creation_win_cleanwipe.yml - '/uninstall' DRL 1.0
sigma proc_creation_win_dsim_remove.yml description: Deployment Image Servicing and Management tool. DISM is used to enumerate, install, uninstall, configure, and update features and packages in Windows images DRL 1.0
sigma proc_creation_win_susp_disable_raccine.yml title: Raccine Uninstall DRL 1.0
sigma proc_creation_win_susp_wmic_security_product_uninstall.yml title: Wmic Uninstall Security Product DRL 1.0
sigma proc_creation_win_susp_wmic_security_product_uninstall.yml - 'call uninstall' DRL 1.0
sigma proc_creation_win_uninstall_crowdstrike_falcon.yml title: Uninstall Crowdstrike Falcon DRL 1.0
sigma proc_creation_win_uninstall_crowdstrike_falcon.yml - ' /uninstall' DRL 1.0
sigma proc_creation_win_uninstall_crowdstrike_falcon.yml - Uninstall by admin DRL 1.0
sigma proc_creation_win_uninstall_sysmon.yml title: Uninstall Sysinternals Sysmon DRL 1.0
sigma proc_creation_win_uninstall_sysmon.yml - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1562.001/T1562.001.md#atomic-test-11---uninstall-sysmon DRL 1.0
sigma proc_creation_win_wmic_remove_application.yml title: WMI Uninstall An Application DRL 1.0
sigma proc_creation_win_wmic_remove_application.yml description: Uninstall an application with wmic DRL 1.0
sigma proc_creation_win_wmic_remove_application.yml - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1047/T1047.md#atomic-test-10---application-uninstall-using-wmic DRL 1.0
sigma proc_creation_win_wmic_remove_application.yml CommandLine\|contains: call uninstall DRL 1.0
LOLBAS Installutil.yml Description: The Installer tool is a command-line utility that allows you to install and uninstall server resources by executing the installer components in specified assemblies  
malware-ioc rtm uninstall © ESET 2014-2018
malware-ioc rtm uninstall-lock © ESET 2014-2018
atomic-red-team index.md - Atomic Test #11: Uninstall Sysmon [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #21: Uninstall Crowdstrike Falcon on Windows [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #5: InstallUtil Uninstall method call - /U variant [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #6: InstallUtil Uninstall method call - ‘/installtype=notransaction /action=uninstall’ variant [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #1: Regasm Uninstall Method Call Test [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #2: Regsvcs Uninstall Method Call Test [windows] MIT License. © 2018 Red Canary
atomic-red-team index.md - Atomic Test #10: Application uninstall using WMIC [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #11: Uninstall Sysmon [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #21: Uninstall Crowdstrike Falcon on Windows [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #5: InstallUtil Uninstall method call - /U variant [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #6: InstallUtil Uninstall method call - ‘/installtype=notransaction /action=uninstall’ variant [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #1: Regasm Uninstall Method Call Test [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #2: Regsvcs Uninstall Method Call Test [windows] MIT License. © 2018 Red Canary
atomic-red-team windows-index.md - Atomic Test #10: Application uninstall using WMIC [windows] MIT License. © 2018 Red Canary
atomic-red-team T1047.md - Atomic Test #10 - Application uninstall using WMIC MIT License. © 2018 Red Canary
atomic-red-team T1047.md ## Atomic Test #10 - Application uninstall using WMIC MIT License. © 2018 Red Canary
atomic-red-team T1047.md Emulates uninstalling applications using WMIC. This method only works if the product was installed with an msi file. APTs have been seen using this to uninstall security products. MIT License. © 2018 Red Canary
atomic-red-team T1047.md wmic /node:”#{node}” product where “name like ‘#{product}%%’” call uninstall MIT License. © 2018 Red Canary
atomic-red-team T1095.md if( $null -eq (Get-ItemProperty HKLM:\Software\Microsoft\Windows\CurrentVersion\Uninstall* | ?{$_.DisplayName -like “Microsoft Visual C++*”}) ) { MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md - Atomic Test #5 - InstallUtil Uninstall method call - /U variant MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md - Atomic Test #6 - InstallUtil Uninstall method call - ‘/installtype=notransaction /action=uninstall’ variant MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md ## Atomic Test #5 - InstallUtil Uninstall method call - /U variant MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md Executes the Uninstall Method. Upon execution, version information will be displayed the .NET framework install utility. MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md InstallUtil Uninstall method execution test failure. Installer assembly execution output did not match the expected output. MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md ## Atomic Test #6 - InstallUtil Uninstall method call - ‘/installtype=notransaction /action=uninstall’ variant MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md $CommandLine = “/logfile= /logtoconsole=false /installtype=notransaction /action=uninstall "$InstallerAssemblyFullPath”” MIT License. © 2018 Red Canary
atomic-red-team T1218.004.md Executes the Uninstall Method. Upon execution, help information will be displayed for InstallUtil. MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md - Atomic Test #1 - Regasm Uninstall Method Call Test MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md - Atomic Test #2 - Regsvcs Uninstall Method Call Test MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md ## Atomic Test #1 - Regasm Uninstall Method Call Test MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md Executes the Uninstall Method, No Admin Rights Required. Upon execution, “I shouldn’t really execute either.” will be displayed. MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md ## Atomic Test #2 - Regsvcs Uninstall Method Call Test MIT License. © 2018 Red Canary
atomic-red-team T1218.009.md Executes the Uninstall Method, No Admin Rights Required, Requires SNK. Upon execution, “I shouldn’t really execute” will be displayed MIT License. © 2018 Red Canary
atomic-red-team T1219.md $file = ‘C:\Program Files (x86)\TeamViewer\uninstall.exe’ MIT License. © 2018 Red Canary
atomic-red-team T1219.md get-package ‘LogMeIn Client’ -ErrorAction Ignore | uninstall-package MIT License. © 2018 Red Canary
atomic-red-team T1505.002.md Uninstall-TransportAgent #{transport_agent_identity} MIT License. © 2018 Red Canary
atomic-red-team T1518.md Get-ItemProperty HKLM:\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall* | Select-Object DisplayName, DisplayVersion, Publisher, InstallDate | Format-Table -Autosize MIT License. © 2018 Red Canary
atomic-red-team T1518.md Get-ItemProperty HKLM:\Software\Wow6432Node\Microsoft\Windows\CurrentVersion\Uninstall* | Select-Object DisplayName, DisplayVersion, Publisher, InstallDate | Format-Table -Autosize MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md - Atomic Test #11 - Uninstall Sysmon MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md - Atomic Test #21 - Uninstall Crowdstrike Falcon on Windows MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md ## Atomic Test #11 - Uninstall Sysmon MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md Uninstall Sysinternals Sysmon for Defense Evasion MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md ## Atomic Test #21 - Uninstall Crowdstrike Falcon on Windows MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md Uninstall Crowdstrike Falcon. If the WindowsSensor.exe path is not provided as an argument we need to search for it. Since the executable is located in a folder named with a random guid we need to identify it before invoking the uninstaller. MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md if (Test-Path “#{falcond_path}”) {. “#{falcond_path}” /repair /uninstall /quiet } else { Get-ChildItem -Path “C:\ProgramData\Package Cache” -Include “WindowsSensor.exe” -Recurse | % { $sig=$(Get-AuthenticodeSignature -FilePath $.FullName); if ($sig.Status -eq “Valid” -and $sig.SignerCertificate.DnsNameList -eq “CrowdStrike, Inc.”) { . “$” /repair /uninstall /quiet; break;} }} MIT License. © 2018 Red Canary
atomic-red-team T1562.001.md DISM is used to enumerate, install, uninstall, configure, and update features and packages in Windows images. MIT License. © 2018 Red Canary
signature-base apt_eqgrp.yar $x4 = “%s version %s already has persistence installed. If you want to uninstall,” fullword ascii CC BY-NC 4.0
signature-base apt_op_cloudhopper.yar $s2 = “rundll32.exe "%s", UnInstall /update %s” fullword wide CC BY-NC 4.0
signature-base crime_buzus_softpulse.yar $s4 = “CurrentVersion\Uninstall\avast” fullword wide CC BY-NC 4.0
signature-base gen_rats_malwareconfig.yar $a7 = “Uninstall.jarPK” CC BY-NC 4.0
signature-base thor-hacktools.yar $a = “Unable to uninstall the fgexec service” CC BY-NC 4.0
signature-base thor-webshells.yar $s3 = “%s -Uninstall –>To Uninstall The Service” CC BY-NC 4.0
signature-base thor-webshells.yar $s6 = “Can’t uninstall,maybe the backdoor is not installed or,the Password you INPUT is” CC BY-NC 4.0
signature-base thor_inverse_matches.yar and not filename matches /uninstall/ CC BY-NC 4.0

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