Title: Mostrar

Type: Dialers

Remove Mostrar. Removal instructions

Severity scale:

(48 / 100)

Mostrar is a dialer that connects a compromised computer to the Interent by dialing a high-cost phone number using a modem. The parasite also changes the Internet Explorer default home page to undesirable web site. Mostrar can get into the system while visiting some insecure web resources. It runs on every Windows startup.

Mostrar properties:
• Changes browser settings
• Connects itself to the internet
• Hides from the user
• Stays resident in background

Automatic Mostrar removal:

remover for Mostrar

SpyHunter is recommended remover to uninstall Mostrar. You should confirm using free trial that it detects current version of parasite.

Note: Manual assistance required means that one or all of removers were unable to remove parasite without some manual intervention, please read manul removal instructions below.

If you failed to remove Mostrar using SpyHunter please report this to us.

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STOPzilla

download | review

We are testing STOPzilla's efficiency at removing Mostrar (2005-09-29 18:00:30)

Malwarebytes Anti Malware

download | review

We are testing Malwarebytes Anti Malware's efficiency at removing Mostrar (2005-09-29 18:00:30)

Spyware Doctor

download | review | tutorial

We are testing Spyware Doctor's efficiency at removing Mostrar (2005-09-29 18:00:30)

XoftSpySE Anti Spyware

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Mostrar manual removal:

FORUM:
Discuss Mostrar in
spyware removal forum

Delete registry values:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run\dialer
HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\Main\Start Page=[site address]
HKEY_CURRENT_USER\PTPSA32.PTPSAWeb
HKEY_CURRENT_USER\PTPSA32.PTPSAWeb.1
HKEY_CURRENT_USER\CLSID\{88C51E90-8E9C-4C96-8A45-574D88B63FAF}
HKEY_CURRENT_USER\Interface\{4FC63700-2093-4AD2-8D37-3B3D86D9C940}
HKEY_CURRENT_USER\Interface\{5BF0CE3E-61D2-4A7B-BAA3-0C4667A9563D}
HKEY_CURRENT_USER\TypeLib\{095C0DB4-FEA6-440E-8DFC-00FC53AC827D}

HELP:
how to remove registry entries

Delete files:
msapasrc.dll, msa64chk.dll

HELP:
how to remove harmful files

Misc:
The dialer uses some randomly named files.

Information added: 2004-03-19 10:00:00
Information updated: 2005-09-29 15:23:15

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