By ESGI Advisor in Trojans

PC security researchers have received reports involving the Cutwail infection, a threatening Trojan that may have numerous adverse effects on a computer. Computer users have reported that Cutwail may cause the infected computers to freeze, crash and perform poorly. Malware analysts have also received reports that computers infected by Cutwail may present poor network performance, often having significant problems when attempting to connect to the Internet. Various security programs may detect a Cutwail infection, seeing that they are up to date. However, removal may be somewhat more difficult due to Cutwail's capabilities to interfere with security software installed on infected computers.

The Sneaky Actions of the Cutwail Trojan

PC security analysts have classified Cutwail as a threatening Trojan infection. Unlike worms, viruses or similar threat infections, Trojans are characterized because they are distributed using other threats or social engineering techniques – they cannot replicate themselves. Their name derives from the Trojan Horse from Greek and Roman mythology and literature. This is because Trojans like Cutwail may be disguised as legitimate or useful programs, or disguised in sources such as websites or email messages that appear tempting, but are deceitful.

PC security analysts have noted that Cutwail may crash infected computers. As soon as Cutwail is installed, Cutwail may make threatening changes to the affected machine's settings. Cutwail may destroy important files and prevent software on the infected computer from running normally. Cutwail attacks computers using the Windows operating system. Cutwail can attack most versions of Windows, including Windows 7, Windows 8, Windows Vista and Windows XP. Taking advantage of vulnerabilities in these operating systems, and in the human nature, Cutwail may enter a computer and carry out its attacks. PC security analysts have noted that one typical symptom that may be linked to Cutwail is the presence of annoying advertisements and pop-up windows on the affected computer's Web browser. Advertisement content linked to Cutwail may affect most popular Web browsers, including Google Chrome, Internet Explorer and Mozilla Firefox. To remove these advertisements completely, computer users should remove the Cutwail infection with a proper anti-malware utility that is fully up-to-date.

Why Cutwail Represents a Threat to Your Computer

Cutwail may cause significant performance issues on affected computers, greatly reducing its speed and network connectivity. Infected computers may usually take much longer than normal to run a program, connect to a website or carry out similar routine tasks. Cutwail may also cause sudden crashing of your computer and the dreaded Windows Blue Screen of Death. Apart from performance issues, Cutwail may also install other threats on your computer. This makes Cutwail particularly threatening, since Cutwail may result in numerous infections that may range from keyloggers and banking Trojans to RATs or Remote Access Trojans.

Malware analysts have also noted that Cutwail may be associated with components that record your online activities, tracking your online habits and gathering information about your computer. Cutwail may interfere whenever you shop online or provide your financial information using your Web browser. This information may then be stolen to carry out credit card fraud, identity theft or other harmful practices. Because of all this, PC security analysts consider that Cutwail represents a significant threat to your privacy, to your computer's security and to your network's integrity. Remove Cutwail at once with the help of a reliable security application.

To remove Cutwail, PC security experts suggest the use of an anti-malware program that is thoroughly up-to-date. Once Cutwail is removed, steps should be taken to prevent repeat infections. Take extra care when browsing the Web and never open files or links from unknown sources unless you are certain that their contents are completely safe by scanning them with a legitimate security application.

File System Details

Cutwail may create the following file(s):
# File Name Detections
1. setupapi.dll
2. outpuk24[1].exe

Registry Details

Cutwail may create the following registry entry or registry entries:
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, startkey=[%WINDOWS%]\winnows.exe
HKEY_LOCAL_MACHINE\software\microsoft\active setup\installed components\{9b71d88c-c598-4935-c5d1-43aa4db90836}
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\explorer\browser helper objects\{c4de5b15-4ffe-4c02-8cb3-cad24a33562b}
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, startkey=[%SYSTEM%]\winlog.exe
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run, startdrv=[%WINDOWS%]\Temp\startdrv.exe
HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run, startkey=[%SYSTEM%]\setup.dll
HKEY_LOCAL_MACHINE\software\microsoft\windows\currentversion\run, startdrv=

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