Threat Database Trojans Trojan.Addrop.B

Trojan.Addrop.B

By CagedTech in Trojans
Published:
Last updated:

Threat Scorecard

Popularity Rank: 20,524
Threat Level: 90 % (High)
Infected Computers: 201
First Seen: July 24, 2009
Last Seen: September 10, 2026
OS(es) Affected: Windows

The detection of Trojan.Addrop.B indicates that your system has been compromised by a potentially malicious program. This type of threat is designed to secretly install and run on a computer without the user's knowledge or consent. The presence of Trojan.Addrop.B can lead to a range of problems, from data theft to system instability, making it essential to understand and address the issue promptly.

What Is Trojan.Addrop.B?

Trojan.Addrop.B is identified as a Trojan-type threat, which means it is a type of malware that disguises itself as legitimate software to gain access to a computer system. Once inside, it can perform a variety of malicious actions, including but not limited to, stealing sensitive information, installing additional malware, or providing unauthorized access to the infected computer. The name Trojan.Addrop.B itself does not specify a known malware family but indicates the type of threat it poses.

How Trojan.Addrop.B Operates

Trojan.Addrop.B, like other Trojans, operates by deceiving users into installing it on their systems. This can happen through various means, such as opening malicious email attachments, downloading infected software, or visiting compromised websites. After installation, 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 like spamming or launching attacks on other systems.

Symptoms of Infection

The symptoms of a Trojan.Addrop.B infection can vary widely depending on its intended purpose and the actions it is programmed to perform. Common signs include unusual system behavior, such as slow performance, frequent crashes, or the appearance of unwanted programs or toolbars. Users might also notice that their personal data is being stolen or that their computer is being used for malicious activities without their knowledge. Sometimes, the infection might not exhibit noticeable symptoms immediately, making regular system checks and the use of antivirus software crucial for early detection.

How to Remove Trojan.Addrop.B

  1. Boot your computer in Safe Mode with Networking to prevent Trojan.Addrop.B from loading and to give you a cleaner environment to work in.
  2. Download and install a reputable anti-malware tool, such as SpyHunter, and perform a full scan of your system to detect and remove all instances of Trojan.Addrop.B 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 suspect the infection occurred.
  4. Reset your web browsers (Chrome, Firefox, Edge, etc.) to their default settings to remove any malicious extensions or settings that Trojan.Addrop.B might have altered.
  5. Reboot your computer and perform another full scan with your anti-malware tool to ensure that all threats have been removed and that your system is clean.

Conclusion

The removal of Trojan.Addrop.B requires careful and thorough steps to ensure that all components of the malware are eliminated from the infected system. It is crucial to act quickly to minimize the potential damage and to prevent further malicious activities. Keeping your operating system, software, and security tools up to date, being cautious with emails and downloads, and regularly scanning your system for malware are key practices in protecting your computer from threats like Trojan.Addrop.B. By understanding how Trojans operate and taking proactive measures, you can significantly reduce the risk of infection and keep your digital environment safe and secure.

Aliases

15 security vendors flagged this file as malicious.

Antivirus Vendor Detection
TrendMicro TROJ_DLOADER.ZAR
Symantec Backdoor.Colfusion
Sunbelt WaveRevenue-McBoo
Panda Trj/Downloader.TLV
NOD32 Win32/Agent.NUG
Microsoft TrojanDownloader:Win32/Agent
McAfee-GW-Edition Trojan.Dldr.Agent.ndt
Fortinet Adware/RunSpeeder
F-Secure Trojan-Downloader.Win32.Agent.ndt
eSafe Win32.Agent.ndt
Comodo TrojWare.Win32.Agent.NUG
ClamAV Trojan.Downloader-31258
CAT-QuickHeal TrojanDownloader.Agent.ndt
BitDefender Trojan.Agent.AIMN
AVG Generic10.LOL

File System Details

Trojan.Addrop.B may create the following file(s):
# File Name MD5 Detections
1. SpeedRunner.exe c0bed71540261292559a0ae58eed6fed 0
More files

Analysis Report

General information

Family Name: Trojan.Addrop.B
Signature status: Self Signed

Known Samples

MD5: 5d2d0779d7f7623bb4d0713ea2d136ed
SHA1: a901a9761ae22832ef7d8a09c117dd2c0ab5486e
SHA256: 4FE6DC5F0FC0589A13D61E3CB5AEC7EBC2C4A2BD6D330464CD2823369C937E66
File Size: 125.78 KB, 125776 bytes

Windows Portable Executable Attributes

  • File doesn't have "Rich" header
  • File doesn't have exports table
  • File has TLS 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
  • IMAGE_FILE_DLL is not set inside PE header (Executable)
  • IMAGE_FILE_EXECUTABLE_IMAGE is set inside PE header (Executable Image)

Digital Signatures

Signer Root Status
Poj Bipfik Poj Bipfik Self Signed

File Traits

  • HighEntropy
  • x86

Block Information

Total Blocks: 643
Potentially Malicious Blocks: 12
Whitelisted Blocks: 631
Unknown Blocks: 0

Visual Map

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

Files Modified

File Attributes
c:\users\user\downloads\a901a9761ae22832ef7d8a09c117dd2c0ab5486e_0000125776 Generic Write,Read Attributes