VersionsVersions 2.96% 11.85% 28.89% 2.22% 11.11% 0.74% 41.48% 0.74%
(Note, IObit Information Technology publishes each variation of this file with the same version, but the hashes are unique.)



By IObit Information Technology (Signed)

Remove ascplugin_protection.dll


There are 8 versions of ascplugin_protection.dll in the wild, the latest version being It is integrated as a plugin to Internet Explorer as a Browser Helper Object, often without any obvious user interface, and will load for each instance of IE. The average file size is about 668.79 KB. The file is a digitally signed and issued to IObit Information Technology by VeriSign. The library is loaded into Internet Explorer as a BHO (browser helper object).

What is ascplugin_protection.dll?

Advanced SystemCare (formerly Advanced Windows Care) is a computer tool for Windows 7, Windows XP, Windows Vista and Windows 2000 created by IObit. It is used to improve computer performance and speed. Advanced SystemCare includes a free version and a PRO version. Functions on both versions include cleaning up computer registries, do a disk defragmentation, scan for malware, and clean up broken shortcuts. Advanced SystemCare includes utilities such as tuneup, security and admin tools.

About ascplugin_protection.dll (from IObit Information Technology)

Advanced SystemCare (formerly Advanced Windows Care) is a computer tool for Windows 7, Windows XP, Windows Vista and Windows 2000 created by IObit. It is used to improve computer performance and speed


File name:ascplugin_protection.dll
Typical file path:C:\Program Files\iobit\advanced systemcare 6\browerprotect\ascplugin_protection.dll
Issued to:IObit Information Technology
Authority (CA):VeriSign
Effective date:Monday, December 7, 2009
Expiration date:Friday, January 4, 2013


(Note, the behaviors below are for all versions of ascplugin_protection.dll, select a unique version for details.)
Internet Explorer Browser Helper Object
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects'
  • BHO CLSID: {BA0C978D-D909-49B6-AFE2-8BDE245DC7E6}
Internet Explorer toolbars
Located in the registry at 'SOFTWARE\Microsoft\Internet Explorer\Toolbar'
  • CLSID: {C262D7CF-4AE3-41C8-937A-BC727ABE907F}
Approved shell extensions
Located in the registry at 'SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved'
  • 'Advanced SystemCare Surfing Protection' with CLSID {C262D7CF-4AE3-41C8-937A-BC727ABE907F}

VersionsAll file variations of ascplugin_protection.dll

MD5SHA-1File size
eab9480218a2d3aa0f318ecb94250075 a2d64a085728d0a94fb954ebfd8dc728e1ec1229 645.88 KB
59f0772e665632a0e32ce27678b83b25 3400c63aa96cbac74a515a1ba1276231a2a3c463 646.88 KB
53625aa1560ba128d5f052a45430f770 46d0374b373dbae41e28d5a1a8cd81e5824e7cd4 640.38 KB
a837f096ed4cfae67d502ad338f080d0 2e7ae7ab53e73681b73d9770839ad95c48c824e3 646.88 KB
71b444b07f885e6a55f3eacf320f6c70 5c9cd54fa5d816f38bac84ce44c24ee85b46aeb1 641.31 KB
f3a87885d586a3132fee1451c73e65ae d049222b9cabe6d2a53d0a27fb0957641e991578 844.38 KB
d681077926c01e2a5204f914d26dad68 64a5798e07b6caa3290607ce6ff6dee06c03de3d 643.81 KB
255ed56249d4a8058f8a84d94e190a5e aadff39a0785fa49a2f337e278d63feab1f742bb 640.81 KB

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Windows 7 Home Premium 25.93%
Microsoft Windows XP 23.70%
Windows 7 Ultimate 20.74%
Windows 8 Pro 8.89%
Windows 7 Professional 5.19%
Windows 8 4.44%
Windows 8 Pro with Media Center 3.70%
Windows 7 Home Basic 2.96%
Windows Vista Home Premium 1.48%
Windows 8 Pro N 0.74%
Windows 8 Release Preview 0.74%
Windows Server 2012 Standard Evaluation 0.74%
Windows 8 Single Language 0.74%

Distribution by countryDistribution by country

United States installs about 32.09% of ascplugin_protection.dll.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 28.79%
Hewlett-Packard 18.94%
Acer 13.64%
Lenovo 9.09%
Toshiba 7.58%
ASUS 6.06%
American Megatrends 6.06%
Sony 4.55%
Gateway 3.03%
Compaq 1.52%
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