Should I block it?

No, this file is 100% safe to run.

VersionsAdditional versions

3.0.14.1.US.1 30.00%
2.0.20.1.US.1 70.00%

Relationships

AOLacsd.exe

AOL Connectivity Service by America Online (Signed)

Remove AOLacsd.exe
Version:   3.0.14.1.US.1
MD5:   e4689acd290d2f3ecd5f7477a813d7d3
SHA1:   4d0d768cd85c7ea3e1eefbf26e4a14ffd9ba3649
SHA256:   b4436a6226f622e84bcea6b376caa03710689063fe1f0466e166a62700847fe1

What is AOLacsd.exe?

AOL Connectivity Service attempts to automatically restore yoru AOL connection should you lose it while online which negates having to go through the standard AOL procedure of signing back on manually.

About AOLacsd.exe (from America Online)

The AOL software uses ACS to connect to the AOL service.

Overview

AOLacsd.exe runs as a service under the name AOL Connectivity Service (SYSTEM\CurrentControlSet\Services\AOL ACS) within the local user context. It has been configured with a firewall exception which allows both inbound and outbound network communication without being blocked. The file is digitally signed by America Online which was issued by the VeriSign certificate authority (CA).

DetailsDetails

File name:AOLacsd.exe
Publisher:America Online, Inc.
Product name:AOL Connectivity Service
Typical file path:C:\Program Files\Common Files\AOL\ACS\AOLacsd.exe
File version:3.0.14.1.US.1
Size:936 KB (958,464 bytes)
Certificate
Issued to:America Online
Authority (CA):VeriSign
Effective date:Wednesday, October 22, 2003
Expiration date:Sunday, October 24, 2004
Digital DNA
PE subsystem:Windows GUI
Entropy:6.466474
File packed:No
Code language:Microsoft Visual C++ 7.1
.NET CLR:No
More details

BehaviorsBehaviors

Services
Runs under 'SYSTEM\CurrentControlSet\Services' by the Service Controller (services.exe)
  • 'AOL ACS' (AOL Connectivity Service)
Windows firewall allowed programs
Exceptions allow programs to access to the Internet through an outbound connections
  • Firewall exception for 'C:\Program Files\Common Files\AOL\ACS\AOLacsd.exe'

Windows OS versionsDistribution by Windows OS

OS versiondistribution
Microsoft Windows XP 85.71%
Windows XP Home Edition 14.29%

Distribution by countryDistribution by country

United States installs about 100.00% of AOL Connectivity Service.

OEM distributionDistribution by PC manufacturer

PC Manufacturerdistribution
Dell 100.00%
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