{ "id": "4a647d1e-df44-489b-8428-4ee4c96b6320", "created_at": "2026-04-06T00:07:27.644092Z", "updated_at": "2026-04-10T03:24:29.095286Z", "deleted_at": null, "sha1_hash": "2e42d912dfc0cd7e57ad8778ec84aa196d41b6eb", "title": "verclsid.exe File Information - What is it \u0026 How to Block", "llm_title": "", "authors": "", "file_creation_date": "0001-01-01T00:00:00Z", "file_modification_date": "0001-01-01T00:00:00Z", "file_size": 152260, "plain_text": "verclsid.exe File Information - What is it \u0026 How to Block\r\nBy Ankita\r\nPublished: 2019-12-17 · Archived: 2026-04-05 14:09:08 UTC\r\nVerClsId.exe is an executable application and is a part of the Microsoft Windows Operating System. It’s not a\r\nmalware or virus, but can be modified by the third party. Here you will find detail information about VerClsid.exe,\r\nits uses, common error and how to fix it.\r\nFile detail: Extension CLSID Verification Host\r\nType: Application\r\nFile version: 10.0.18362.1\r\nCopyright: Microsoft Corporation\r\nThe full form of VerClsId.exe is Verify Class ID. \r\nWhat is VerClsid.exe?\r\nVerClsId.exe is known as Extension CLSID Verification Host, where CLSID stands for Class ID.\r\nIt is responsible for verifying each shell extensions before they are used by Windows Explorer or Windows shell.\r\nThis VerClsid.exe was first introduced with Windows XP but now it has been seen with Windows 10 as well.\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 1 of 7\n\nShell extensions are pieces of program codes developed by third party authors, who change how the Windows\r\noperating system responds to commands. Thus, they modify the way a shell (software code piece) behaves with\r\nthe system (kernel).\r\nWindows Shell is the graphical user interface for the Windows Operating System. Some of its objects include\r\nTaskbar, Start Menu, This PC, Libraries, and Control Panel.\r\nWindows Explorer, also known as File Explorer is the file manager for Windows. \r\nFile size \u0026 location\r\nThe file size of version 10.0.18362 of VerClsId.exe is approximately 13.5 KB. The file size of its version\r\n5.1.2600.2869 is 28 KB.\r\nThe location of VerClsId.exe is in the C:\\Windows\\System32 folder and sometime it may be located under\r\nC:\\Windows\\SysWOW64 directory.\r\nIs it safe or a virus?\r\nVerClsId.exe is a part of Windows and is therefore safe and legitimate. But, in case a malware assumes its identity\r\nto fool the system’s anti-virus software and firewalls, then it may be dangerous.\r\nThere are three ways to identify if such malware exists:\r\nIf the location of the malware is not in the C:\\Windows\\System32folder\r\nIf it is not copyrighted by Microsoft Corporation.\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 2 of 7\n\nIf it is not digitally signed by Microsoft Windows Component Publisher.\r\nCommon Errors\r\nCommon errors that are usually encountered are:\r\n“End Program – verclsid.exe. This program is not responding”\r\n“Extension CLSID verification host has stopped working”.\r\nHow to Fix VerClsid.exe?\r\nMany people have a complaint that they started receiving verclsid.exe error after downloading the Windows\r\nupdate 908531. If you are not sure whether verclsid.exe is a malware or virus then you may block this application\r\nto make an outbound connection. For this, follow the below steps:\r\nDiscover more\r\nOS\r\nOperating Systems\r\nOperating systems\r\n1) Click on Windows logo and type Windows Defender Firewall with Advanced Security\r\n2) Click on Outbound Rules located on the left-hand panel.\r\n3) Now click on New-rules located on right-hand-panel\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 3 of 7\n\n4) A new window will open, click on Program located on the left-hand side\r\n5) Choose the radio button This program path, paste below code and click on the Next button.\r\n%SystemRoot%\\system32\\verclsid.exe\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 4 of 7\n\n6) Now choose Block the connection and click on Next button\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 5 of 7\n\n7) A new window will open, click again on Next, enter the name and brief detail and click on Next.\r\nThis will block VerClsid.exe to make any outbound connection.\r\nMake sure to have a reliable Antivirus like Avast or Kaspersky, you may also read comparisons between Avast and\r\nKaspersky here and take your decision.\r\nAnother Solution\r\nIf you have noticed that VerClsid.exe is running in system background or consuming high CPU usage then you\r\nmay consider updating your Windows 10. By doing this, your system will have the latest patch and will\r\nautomatically fix this issue.\r\nOther similar executable files:\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 6 of 7\n\nBCSSync.exe, Glcnd.exe, Mqsvc.exe, Maps.exe, ehprivjob.exe\r\nSource: https://winosbite.com/verclsid-exe/\r\nhttps://winosbite.com/verclsid-exe/\r\nPage 7 of 7", "extraction_quality": 1, "language": "EN", "sources": [ "MITRE" ], "references": [ "https://winosbite.com/verclsid-exe/" ], "report_names": [ "verclsid-exe" ], "threat_actors": [ { "id": "aa73cd6a-868c-4ae4-a5b2-7cb2c5ad1e9d", "created_at": "2022-10-25T16:07:24.139848Z", "updated_at": "2026-04-10T02:00:04.878798Z", "deleted_at": null, "main_name": "Safe", "aliases": [], "source_name": "ETDA:Safe", "tools": [ "DebugView", "LZ77", "OpenDoc", "SafeDisk", "TypeConfig", "UPXShell", "UsbDoc", "UsbExe" ], "source_id": "ETDA", "reports": null } ], "ts_created_at": 1775434047, "ts_updated_at": 1775791469, "ts_creation_date": 0, "ts_modification_date": 0, "files": { "pdf": "https://archive.orkl.eu/2e42d912dfc0cd7e57ad8778ec84aa196d41b6eb.pdf", "text": "https://archive.orkl.eu/2e42d912dfc0cd7e57ad8778ec84aa196d41b6eb.txt", "img": "https://archive.orkl.eu/2e42d912dfc0cd7e57ad8778ec84aa196d41b6eb.jpg" } }