The Backdoor:JS/C99shell.A will install rogue security software TOPOPTIMIZER into the affected machines without users knowledge. The Backdoor:JS/C99shell.A file size is 10240 bytes.
Once launched, the Backdoor:JS/C99shell.A performs the following actions:
Download rogue security tool TOPOPTIMIZER from the following domains:
Modify the properties of the following files:
(10240 bytes; detected by HitMalware as " Backdoor:JS/C99shell.A")
If your machine doesn't have antivirus/antispyware, please take the following steps to resolve the problems caused by Backdoor:JS/C99shell.A:
1. Replace the infected file dciman32.dll for free by using dciman32.dll repair tool - DLL Suite. See how to replace dciman32.dll by using DLL Suite.
2. Perform a full Backdoor:JS/C99shell.A scan by using the latest antivirus/antispyware HitMalware.
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How to replace dciman32.dll by using DLL Suite
Download DLL Suite, install and run
Click "Start Scan" button to check dciman32.dll file
Choose dciman32.dll and click "More Information"
Download dciman32.dll for free from the open web page
Save dciman32.dll to its default folder to replace infected dciman32.dll file.
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