Trojan:JS/Redirector.NL Analysis
Trojan:JS/Redirector.NL is classified as Trojan Horse that is adept at opening backdoor and recording stored information. According to the observation so far, Trojan:JS/Redirector.NL affects Windows. It has found out that Trojan:JS/Redirector.NL with a size of 35,328 byte is developed on Microsoft Visual C++. Packed by UPX and applying 2D11BC6A0EA27FF88EC09658605E659D2DA11D5C SHA1, Trojan:JS/Redirector.NL manages to be loaded into system memory by Windows loader and to prevent random modifications as well as static decompiling by victims/technicians efficiently.
Trojan:JS/Redirector.NL Dissemination Routine
There’s an influx of Trojan:JS/Redirector.NL recently and most victims don’t know when to be attacked. Its dissemination routine is quite covert. Security assistance from Global PC Support Center hereby lists down several ways to your reference:
Trojan:JS/Redirector.NL attacks bugs on loosely written web sites.
Trojan:JS/Redirector.NL puts its vicious code on its self-made spam site that is verisimilar to flash update/download like Jds.pathopti.net.
Trojan:JS/Redirector.NL exploits vulnerability on a machine.
Trojan:JS/Redirector.NL Infiltration
Various vicious file will be released to temp file and system file under C:\Windows right after Trojan:JS/Redirector.NL being loaded into system memory. Those files would help it to affect processes of security utilities so that the injection of malicious codes in Database can be carried on smoothly. By inserting system.exe to HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run and other .dll files to HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Windows\ AppInit_DLLs, Trojan:JS/Redirector.NL becomes capable of running automatically whenever Windows starts.
When all is done to guarantee its safety on the target machine, Trojan:JS/Redirector.NL implants other .dll files into explorer.exe and system.exe to collect information as well as log-in credentials. Meanwhile, ports that we seldom use (according to TCP/IP protocol, there are 65535 ports on every single machine while there are at most 5 ports that we use frequently) are utilized to download complementary to further stop being removed easily and upload collected information to its remote server. With frequent quest being made back and forth to vicious sites, browser would crash occasionally due to the emergence of multiple dllhost.exe thereby.
Trojan:JS/Redirector.NL Consequence
Additional items like Programs and Things.LNK, Music.LNK, Movies.LNK and Trojan-Dropper.Win32.Agent.jkcd might be found on the target machine before long.
CPU is consumed incredibly high when multiple processes running in the background.
Computer would freeze from time to time due to accumulating items in local disk.
Browser (IE/Safari/Chrome/Firefox/Opera) will be redirected a lot to unknown sites/spam sites.
Final
Trojan:JS/Redirector.NL Purpose
The ultimate goal of Trojan:JS/Redirector.NL is not to destroy a target machine but obtaining profitable revenue. By collecting victims’ information, Trojan:JS/Redirector.NL’s author manages to gain income by reselling browsing history to network operators such as Bee Coupons so that the operators acquire high exposure in a short time to promote business; by making good of victims’ bank account to commit money laundry; by spreading its vicious code through victims’ account and reselling collected configuration information to help other virus authors to develop infections.
Trojan:JS/Redirector.NL Removal Advice
The sooner the removal is, the better and the easier. The above removal thread is exclusively applicable to Trojan:JS/Redirector.NL. Thus failure can be anticipated in the event that additional infections have wormed in and hardware damages have been made. If it is the case, one should search for solution according to your concrete situation and employ manual method to tackle damages that security utilities are not able to fix.
Trojan:JS/Redirector.NL Security Advice
In effect, virus like Trojan:JS/Redirector.NL will be blocked when precautions have been undertaken well enough. Though anti-virus program may fail in removing certain virus, it is still required to be installed appropriately, run regularly and updated timely to help ward off most of computer threats including Linkup Ransomware. Besides, VilmaTech Online Support would also like to recommend Windows Update, system patches update and no visit to unknown web sites.
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