Websites refuse to load

[niiiro]

Hello all, I'm having some weird problem - probably caused by a virus or something. Anyway, I have scanned my computer, with 2 different Anti-Trojan applications, both found many infected items and removed it. now everything seems to be cleaned. Thing is, while trying to load google.com or bing.com - both sites wont load - it just hangs. I tried from 3 various browsers. When I put both sites IP addresses in the host file - it works! How can I get rid of this hassle??? Thanks in advanced. Nir.

 

[Petey7]

It might be a DNS cache error. Copy the following into Notepad, and save to the desktop as "Flush.bat" minus the quotation marks.

@Echo on
pushd\windows\system32\drivers\etc
attrib -h -s -r hosts
echo 127.0.0.1 localhost>HOSTS
attrib +r +h +s hosts
popd
ipconfig /release
ipconfig /renew
ipconfig /flushdns
netsh winsock reset all
netsh int ip reset all
shutdown -r -t 1
del %0

Right-click the bat file and select "Run as Administrator". Your computer should automatically restart. If not, restart it.

Never hurts to check to be sure that no viruses remain. If yuu have not done so already, download, install, update and run Malwarebytes Antimalware.

 

[niiiro]

Thanks for your reply Petey7.

Unfurtuently, it didn't seem to solve the problem.

Any other ideas?

 

[niiiro]

one more thing, I tried defining a static IP, while adding additional DNS server - Google's - and it works. Meaning, it's a pure DNS problem. Hope that helps in something..

 

[Petey7]

Can you please confirm that you successfully created and ran the bat file I instructed you to? I ask because your reply was very unspecific.

Also, open command prompt. Type "ipconfig /all" without the quotation marks. Copy what you see and paste into you next reply. I may ask someone a little more knowledgable in networking to step in if I can't spot the problem.

 

[niiiro]

Yes, I ran the batch file, it completed successfully and again, it didn't help.

Ipconfig:

Windows IP Configuration

   Host Name . . . . . . . . . . . . : NSITZIKW-LT
   Primary Dns Suffix  . . . . . . . : Novelspe.local
   Node Type . . . . . . . . . . . . : Hybrid
   IP Routing Enabled. . . . . . . . : No
   WINS Proxy Enabled. . . . . . . . : No
   DNS Suffix Search List. . . . . . : Novelspe.local

Ethernet adapter Local Area Connection* 16:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : 
   Description . . . . . . . . . . . : Juniper Network Connect Virtual Adapter
   Physical Address. . . . . . . . . : 00-FF-98-EC-7B-89
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Ethernet adapter Local Area Connection* 9:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : 
   Description . . . . . . . . . . . : Check Point Virtual Network Adapter For SecureClient
   Physical Address. . . . . . . . . : 54-75-5B-B6-50-0D
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes

Wireless LAN adapter Wireless Network Connection:

   Connection-specific DNS Suffix  . : siemens
   Description . . . . . . . . . . . : Intel(R) Centrino(R) Advanced-N 6200 AGN
   Physical Address. . . . . . . . . : 00-23-14-AD-D8-F4
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::9db:e76:1ed7:215e%12(Preferred) 
   IPv4 Address. . . . . . . . . . . : 10.11.11.110(Preferred) 
   Subnet Mask . . . . . . . . . . . : 255.255.255.0
   Lease Obtained. . . . . . . . . . : Sunday, June 10, 2012 4:48:24 PM
   Lease Expires . . . . . . . . . . : Monday, June 11, 2012 4:48:25 PM
   Default Gateway . . . . . . . . . : 10.11.11.254
   DHCP Server . . . . . . . . . . . : 10.11.11.254
   DHCPv6 IAID . . . . . . . . . . . : 301998868
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-41-01-66-5C-FF-35-0C-5F-58
   DNS Servers . . . . . . . . . . . : 10.11.11.254
   NetBIOS over Tcpip. . . . . . . . : Enabled

Ethernet adapter Local Area Connection:

   Connection-specific DNS Suffix  . : Novelspe.local
   Description . . . . . . . . . . . : Intel(R) 82577LM Gigabit Network Connection
   Physical Address. . . . . . . . . : 5C-FF-35-0C-5F-58
   DHCP Enabled. . . . . . . . . . . : Yes
   Autoconfiguration Enabled . . . . : Yes
   Link-local IPv6 Address . . . . . : fe80::6967:f7aa:54db:920c%11(Preferred) 
   IPv4 Address. . . . . . . . . . . : 172.26.7.35(Preferred) 
   Subnet Mask . . . . . . . . . . . : 255.255.0.0
   Lease Obtained. . . . . . . . . . : Sunday, June 10, 2012 4:48:12 PM
   Lease Expires . . . . . . . . . . : Monday, June 18, 2012 4:48:13 PM
   Default Gateway . . . . . . . . . : 172.26.255.254
   DHCP Server . . . . . . . . . . . : 172.26.1.1
   DHCPv6 IAID . . . . . . . . . . . : 240975669
   DHCPv6 Client DUID. . . . . . . . : 00-01-00-01-17-41-01-66-5C-FF-35-0C-5F-58
   DNS Servers . . . . . . . . . . . : 172.26.1.1
                                       172.26.1.5
                                       8.8.8.8
                                       8.8.4.4
   NetBIOS over Tcpip. . . . . . . . : Enabled

Tunnel adapter isatap.Novelspe.local:

   Media State . . . . . . . . . . . : Media disconnected
   Connection-specific DNS Suffix  . : Novelspe.local
   Description . . . . . . . . . . . : Microsoft ISATAP Adapter #4
   Physical Address. . . . . . . . . : 00-00-00-00-00-00-00-E0
   DHCP Enabled. . . . . . . . . . . : No
   Autoconfiguration Enabled . . . . : Yes

btw, I defined the DNS records manually, in order to temporary overcome this problem. but whenever I switch it back to automatically, problem returns.