Delf.73 (file analysis)

The Delf.73 is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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What Delf.73 virus can do?

• Performs HTTP requests potentially not found in PCAP.
• Reads data out of its own binary image
• CAPE extracted potentially suspicious content
• Unconventionial language used in binary resources: Swahili
• The binary contains an unknown PE section name indicative of packing
• The binary likely contains encrypted or compressed data.
• The executable is compressed using UPX
• Authenticode signature is invalid
• Behavioural detection: Injection (Process Hollowing)
• Behavioural detection: Injection (inter-process)
• Checks for the presence of known windows from debuggers and forensic tools
• Attempts to identify installed analysis tools by registry key
• Detects VirtualBox through the presence of a registry key
• Enumerates physical drives
• Attempts to modify proxy settings
• Creates a copy of itself
• Deletes executed files from disk
• The sample wrote data to the system hosts file.
• Collects information to fingerprint the system
• Yara detections observed in process dumps, payloads or dropped files

How to determine Delf.73?

File Info:
name: 00441B8B5E9876D7DB1D.mlw
path: /opt/CAPEv2/storage/binaries/0fc19b1a047100b750b1af661d058d3f231e0e740c4f7edb92165a45d5800c04
crc32: A321CA87
md5: 00441b8b5e9876d7db1df3c2bad4a6bd
sha1: a1ce550aeda08231ecdc96fd9970e586e8346aea
sha256: 0fc19b1a047100b750b1af661d058d3f231e0e740c4f7edb92165a45d5800c04
sha512: 9f362f9c1f53357daa13e40ace34af2b01f718597a9a011b4b84e11c43e4270f79d0198e7e2748503638db124dc8468ebf2a6fa0c722380cad752c575767d157
ssdeep: 12288:4DGI8Zsxgb0FK3ARkKWhZ4FoKMDhtJ8IpaCAO7G1xYfg9k+1A0G6FjuaFU:4DFpM0Q3trZ46KMDhfX7Nfck+1AcjL
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T1B6E41253A3D70EAAE5B23AFEC5C90A75509F1E141630F6BE8434B93687344D7CC9682E
sha3_384: 0852129fb274ed0f1310615648988ea588eba8593da3be4069fe66988e61bac6499b5898acf636a4d6f21dd3ce06275d
ep_bytes: 60be007044008dbe00a0fbffc78784d0
timestamp: 1992-06-19 22:22:17

Version Info:
0: [No Data]

Delf.73 also known as:

How to remove Delf.73?

• Download and install GridinSoft Anti-Malware.
• Open GridinSoft Anti-Malware and perform a “Standard scan“.
• “Move to quarantine” all items.
• Open “Tools” tab – Press “Reset Browser Settings“.
• Select proper browser and options – Click “Reset”.
• Restart your computer.