File Investigation Report
"OHKBRKOO.EXE"
Cloaked MalwarePC Cleanup in 3 Easy Steps
Use Prevx 3.0 to remove OHKBRKOO.EXE, along with any other viruses, spyware, adware, trojans, rootkits, worms, information stealers, keyloggers, bots, and other form of malicious threat that may reside on your PC.
- Think your PC might be Infected? Scan Now Prevx 3.0 will scan your PC in seconds to inform you whether your PC is clean or infected.
- Malware Removal Prevx 3.0 removes adware infections for free. More complicated infections require purchase of a malware removal license.
- Expert Assistance In the rare occurence that Prevx 3.0 malware removal fails - a Prevx Engineer will connect to your PC and manually disinfect.
- Money Back Guarantee for Individual Users If within the first 14 days, the Prevx Engineer finds it impossible to clean an infection from your PC, we give you your money back.
Associated Malware Groups
The unsafe files using this name are associated with the malware groups:
- Cloaked Malware
- Worm
File Behavior
OHKBRKOO.EXE has been seen to perform the following behavior:
- The Process is packed and/or encrypted using a software packing process
- Executes a Process
- This process creates other processes on disk
- Copies files
- Registers a Dynamic Link Library File
- Creates a new Background Service on the machine
- Sets processes to start during user logon
- Looks at the contents of the autoexec.bat file
- Drops known malicious software during execution
- Reads email address and phone book details
- Uses DNS to retrieve the IP address for web sites
- Visits web sites on your PC without you knowing
- Found on infected systems and resists interrogation by security products
- Uses low level functions to hide itself from the user and from system/security processes
- This Process is a file infector which modifies program files to include a copy of the infection
- Includes file creation code which could be used to test for interception by security products
- Executes Processes stored in Temporary Folders
OHKBRKOO.EXE has been the subject of the following behavior:
- Executed as a Process
- Created as a process on disk
- Created by processes which appear to be checking for interception by security products
- Deleted as a process from disk
Country Of Origin
The filename OHKBRKOO.EXE was first seen on Apr 27 2009 in the following geographical regions of the Prevx community:
- NORWAY on Apr 27 2009
- SPAIN on Apr 29 2009
File Name Aliases
OHKBRKOO.EXE can also use the following file names:
- JURJ.EXE
- OCKBFB.EXE
- AMHT.EXE
- IULHFK.EXE
- RMUSA.EXE
- AHUREBOCMI[n].HTM
- MQOVR.EXE
- DXFWKWRQ.EXE
- WWMEOBLK.EXE
- ELGDIMW.EXE
- DYVJ.EXE
- YTLND.EXE
- DDSUPER2[n].HTM
- MRYPQAR.EXE
- VAQXHNRN.EXE
- OEFVSBMG.EXE
- WIXG.EXE
- GVCUCPK.EXE
- BBXI.EXE
- PXYQGPD.EXE
- HENLWYDJ.EXE
- OEFVSBMG-.EXE
- OHKBRKOO-.EXE
- ATTPI.EXE
- MAPRX.EXE
- TLCEFBE.EXE
- AASUPER2[n].HTM
- EFTKGUWN.EXE
- DDSUPER2.PHP.HTML
- DDSUPER2.PHP_002.HTML
- DDSUPER2.PHP_001.HTML
- 59454573.DAT
Filesizes
The following file size has been seen:
- 25,088 bytes
- 101,888 bytes
- 224,768 bytes
File Type
The filename OHKBRKOO.EXE refers to many versions of an executable program.
File Activity
One or more files with the name OHKBRKOO.EXE creates, deletes, copies or moves the following files and folders:
- Creates c:\docume~1\user\locals~1\temp\PreLoader_6.exe
- Creates c:\docume~1\user\locals~1\temp\rip10.exe
- Creates c:\windows\system32\reader_s.exe
- Creates c:\documents and settings\user\reader_s.exe
- Deletes c:\docume~1\user\locals~1\temp\PRELOA~1.EXE
- Creates c:\recycler\s-1-5-21-5977671443-4106683582-970410884-4285\Desktop.ini
- Copies filec:\docume~1\user\locals~1\temp\rip10.exe to c:\recycler\s-1-5-21-5977671443-4106683582-970410884-4285\service.exe
- Opens/modifes c:\autoexec.bat
- Creates c:\docume~1\user\locals~1\temp\917.exe
- Creates c:\docume~1\user\locals~1\temp\820.exe
- Creates c:\windows\system32\dllcache\ndis.sys
- Creates c:\windows\system32\drivers\ndis.sys
- Deletes c:\recycler\s-1-5-21-0243636035-3055115376-381863306-1556\pqlmq.exe
- Copies filec:\docume~1\user\locals~1\temp\820.exe to c:\recycler\s-1-5-21-0243636035-3055115376-381863306-1556\pqlmq.exe
- Creates c:\recycler\s-1-5-21-0243636035-3055115376-381863306-1556\Desktop.ini
- Creates c:\documents and settings\user\application data\svchost.exe
- Creates c:\documents and settings\user\application data\jmudzrez.dll
- Creates c:\windows\system32\sjg9s8guigjs.dll
- Creates c:\docume~1\user\locals~1\temp\9a134b04f853c71bbd02899424f9d79c.bat
- Creates c:\windows\system32\cbadefdfdeee.dll
- Deletes c:\ockbfb.exe
- Deletes c:\docume~1\user\locals~1\temp\9A134B~1.BAT
- Deletes c:\wavunte.exe
Network Activity
One or more files with the name OHKBRKOO.EXE performs the following network events:
- DNS Lookup67.198.207.34 mail3.nad123nad.com
- DNS Lookup1.1.23.1 DC23-831FAA4D
- DNS Lookup174.139.10.90 orts.alwaysproxy4.info
- DNS name server92.33.4.12
- DNS name server09.85.139.9
- DNS name server2.14.235.9
Website Activity
One or more files with the name OHKBRKOO.EXE interacts with the following web sites and pages. Web addresses have been deliberately modified to prevent unintentional use.
- Port 80 IP:222.138.109.32
- Port 80 IP:221.12.89.137
- dhxkycjmrg .net / loaderadv563 .exe
- zone2tech .info / pqz .exe
- TCP:67.198.207.34:2589 Port:26
- Port 80 IP:67.215.1.206
- Port 80 IP:195.2.253.249
- TCP:174.139.10.90:1199 Port:29
- TCP:174.139.10.90:1199 Port:6
- TCP:192.33.4.12:53 Port:12
- TCP:216.195.61.98:2580 Port:19
- TCP:209.85.139.9:53 Port:12
- TCP:216.195.62.101:2547 Port:19
- TCP:64.12.137.169:25 Port:19
- TCP:65.54.244.8:25 Port:19
- TCP:67.195.168.31:25 Port:19
- TCP:217.72.192.149:25 Port:19
- TCP:209.85.220.17:25 Port:19
- TCP:216.195.62.101:2547 Port:19
- TCP:216.195.62.101:2547 Port:19
- TCP:216.195.62.101:2547 Port:20
- TCP:72.14.235.9:53 Port:12
- TCP:216.195.54.192:2547 Port:19
- TCP:209.85.220.18:25 Port:19
- TCP:216.195.54.192:2547 Port:19
- TCP:65.54.244.8:25 Port:19
- TCP:216.195.54.192:2547 Port:19
- TCP:216.195.54.192:2547 Port:19
- Remote server connection to wl .genseck .co
PCMag.com Editors' Choice Award Logo is a trademark of Ziff Davis Publishing Holdings Inc. Used under license.