Trojan.Cridex

The detection of Trojan.Cridex on your system indicates a potential security threat that requires immediate attention. This detection name suggests a type of malicious software designed to compromise the security and integrity of your computer. Understanding what Trojan.Cridex is, how it operates, and the symptoms it may cause can help you take the necessary steps to remove it and protect your system.

What Is Trojan.Cridex?

Trojan.Cridex refers to a type of malware that is classified as a Trojan, which is a broad category of malicious software that disguises itself as legitimate to gain unauthorized access to a computer system. Trojans can be used for various malicious purposes, including stealing sensitive information, installing additional malware, or providing unauthorized access to hackers. The specific characteristics and behaviors of Trojan.Cridex would depend on its design and the intentions of its creators, but like other Trojans, it is likely designed to evade detection and cause harm to the infected system.

How Trojan.Cridex Operates

Malware like Trojan.Cridex typically operates by exploiting vulnerabilities in software or tricking users into installing it. Once installed, it can communicate with its command and control servers to receive instructions, which might include downloading and installing additional malware, stealing data, or using the infected computer for malicious activities such as spamming or participating in distributed denial-of-service (DDoS) attacks. The exact operation can vary widely depending on the malware's purpose and the control it gives to its operators.

Symptoms of Infection

Symptoms of a Trojan infection can be subtle and may not always be immediately apparent. Common signs include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars in your web browser. You might also notice that your browser homepage has changed without your permission, or you are being redirected to unwanted websites. Additionally, if your antivirus software is disabled or your security settings are altered without your knowledge, it could be a sign of a Trojan infection.

How to Remove Trojan.Cridex

1. Boot your computer in Safe Mode with Networking to prevent the malware from loading and to give you a cleaner environment to work in.
2. Use a reputable anti-malware tool, such as SpyHunter, to perform a full scan of your system. This can help identify and remove the Trojan and any other malware that might be present.
3. Uninstall any suspicious programs that you do not recognize or that were installed around the time you believe your system became infected.
4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings changes made by the Trojan.
5. After completing the above steps, reboot your computer and perform another scan with your anti-malware tool to ensure that the threat has been fully removed.

Conclusion

Removing Trojan.Cridex from your system requires careful and thorough action to ensure that all components of the malware are eliminated. By understanding the nature of Trojan infections and following the steps outlined for removal, you can help protect your system and your personal data from further compromise. It's also crucial to maintain good security practices, such as keeping your operating system and software up to date, using strong antivirus software, and being cautious when clicking on links or opening attachments from unknown sources, to prevent future infections.

SpyHunter Detects & Remove Trojan.Cridex

Analysis Report

General information

Family Name:	Trojan.Cridex
Signature status:	No Signature

Known Samples

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Known Samples

This section lists other file samples believed to be associated with this family.

MD5: 7c167dc69f04458490cdf2f003ea156a SHA1: 033eb80550df70fb0145a20bc27f3914c7b13f26 SHA256: ECFC6CCD9ECF5D6A5FA838DF1181B35EB94CB01FA6F63750588031FAB1B4570D File Size: 1.69 MB, 1691136 bytes

Windows Portable Executable Attributes

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Windows Portable Executable Attributes

This section lists file attributes found within family samples. These attributes are extracted from the files’ Windows PE (Portable Executable) specification and various system flags. Portable Executable Attributes give malware researchers insight into a file’s functionality, executable details, platform and runtime environment.

• File doesn't have "Rich" header
• File doesn't have debug information
• File doesn't have exports table
• File doesn't have relocations information
• File doesn't have security information
• File is 32-bit executable
• File is either console or GUI application
• File is GUI application (IMAGE_SUBSYSTEM_WINDOWS_GUI)
• File is Native application (NOT .NET application)
• File is not packed

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• IMAGE_FILE_DLL is not set inside PE header (Executable)
• IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

File Icons

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File Icons

This section displays icon resources found within family samples. Malware often replicates icons commonly associated with legitimate software to mislead users into believing the malware is safe.

Windows PE Version Information

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Windows PE Version Information

This section displays values and attributes that have been set in the Windows file version information data structure for samples within this family. To mislead users, malware actors often add fake version information mimicking legitimate software.

Name	Value
Build	20140425
Company Name	Safer-Networking Ltd.
File Description	Dummy
File Version	2.4.40.151
Legal Copyright	© 2009-2014 Safer-Networking Ltd. All rights reserved.
Legal Trademarks	Spybot® and Spybot - Search & Destroy® are registered trademarks.
Original Filename	blindman.exe
Product Name	Spybot - Search & Destroy
Product Version	2.4.40.0

File Traits

• HighEntropy
• WriteProcessMemory
• x86

Block Information

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Block Information

During analysis, EnigmaSoft breaks file samples into logical blocks for classification and comparison with other samples. Blocks can be used to generate malware detection rules and to group file samples into families based on shared source code, functionality and other distinguishing attributes and characteristics. This section lists a summary of this block data, as well as its classification by EnigmaSoft. A visual representation of the block data is also displayed, where available.

Total Blocks:	14
Potentially Malicious Blocks:	11
Whitelisted Blocks:	2
Unknown Blocks:	1

Visual Map

x x x ? 0 x x x x x x x x 0

0 - Probable Safe Block
? - Unknown Block
x - Potentially Malicious Block

Similar Families

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Similar Families

This section lists other families that share similarities with this family, based on EnigmaSoft’s analysis. Many malware families are created from the same malware toolkits and use the same packing and encryption techniques but uniquely extend functionality. Similar families may also share source code, attributes, icons, subcomponents, compromised and/or invalid digital signatures, and network characteristics. Researchers leverage these similarities to rapidly and effectively triage file samples and extend malware detection rules.

• Dridex.G

Registry Modifications

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Registry Modifications

This section lists registry keys and values that were created, modified and/or deleted by samples in this family. Windows Registry activity can provide valuable insight into malware functionality. Additionally, malware often creates registry values to allow itself to automatically start and indefinitely persist after an initial infection has compromised the system.

Key::Value	Data	API Name
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\content::cacheprefix		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\cookies::cacheprefix	Cookie:	RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\5.0\cache\history::cacheprefix	Visited:	RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::proxybypass		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::intranetname		RegNtPreCreateKey
HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::uncasintranet		RegNtPreCreateKey

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HKCU\software\microsoft\windows\currentversion\internet settings\zonemap::autodetect

RegNtPreCreateKey

Windows API Usage

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Windows API Usage

This section lists Windows API calls that are used by the samples in this family. Windows API usage analysis is a valuable tool that can help identify malicious activity, such as keylogging, security privilege escalation, data encryption, data exfiltration, interference with antivirus software, and network request manipulation.

Category	API
Process Manipulation Evasion	VirtualAllocEx
Encryption Used	BCryptOpenAlgorithmProvider