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Onaylanmamış 516661.crdownload Backdoor Fynloski Analysis

Updated 2 months ago
Checked by Malaware Check
Onaylanmamış 516661.crdownload

Technical Analysis

File Name Onaylanmamış 516661.crdownload
File Type
PE32 executable (GUI) Intel 80386, for MS Windows
Scanner Version 1.0.211.174
Database Version 2025-03-20 16:00:35 UTC
⚠

Backdoor.Win32.Fynloski.zv!n

Malware family: Fynloski

N/A
Detection Rate
665,600
File Size (bytes)
2025-03-20
Analysis Date

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File Identification

Hash Type Value Action
MD5
3ebdb05dd479282e761e3b1b9ab6ee24
SHA1
e31e63bb14567c7fdbb2c2f86b816f492e1ab033
SHA256
91e0b799a565f2c0bcc5fcb2e69663b56bee7ef73999cdc23caa7ca138048e94
SHA512
3a9effe0ae73f67352a71c1cd86bc37ed455ec3c5cf1eaee7042323c64a3ac7acca19ad558514ed65278892c375db99e4cddeb1d0ba3d5823135f92487fd88ff
ImpHash
d9ad5efdb5472496d0fe8dd4305f55f0

PE Analysis

Basic Information

▼
Image Base 0x00400000
Entry Point 0x0048d888
Compilation Time 2012-03-19 19:56:30
Checksum 0x00000000 (Actual: 0x000aa8f2)
OS Version 4.0
PEiD Signatures PE32 executable (GUI) Intel 80386, for MS Windows
Digital Signature No valid SignedData structure was found.
Imports 21 libraries
Exports 0 functions
Resources 32 Resources
Sections 9 Sections

Version Information

▼
Comments Remote Service Application
CompanyName Microsoft Corp.
FileDescription Remote Service Application
FileVersion 1, 0, 0, 1
InternalName MSRSAAPP
LegalCopyright Copyright (C) 1999
OriginalFilename MSRSAAP.EXE
ProductName Remote Service Application
ProductVersion 4, 0, 0, 0
Translation 0x0409 0x04b0

PE Sections

▼
Name Virtual Address Virtual Size Raw Size Entropy Characteristics MD5
.text 0x00001000 573,184 bytes 573,440 bytes 6.55 (Compressed) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 8947B5EE33ECCAA0C041013D69B4073E
.itext 0x0008d000 6,448 bytes 6,656 bytes 5.96 (Normal) IMAGE_SCN_CNT_CODE|IMAGE_SCN_MEM_EXECUTE|IMAGE_SCN_MEM_READ 44EC8387E192826D088229545E5F05D6
.data 0x0008f000 14,324 bytes 14,336 bytes 4.79 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE AAAF7A0329B82E804EFD645B74EDEB17
.bss 0x00093000 29,696 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.idata 0x0009b000 16,604 bytes 16,896 bytes 5.21 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE A697002B48BC674D4620EF8AA21DEACB
.tls 0x000a0000 56 bytes 0 bytes 0.00 (Normal) IMAGE_SCN_MEM_READ|IMAGE_SCN_MEM_WRITE D41D8CD98F00B204E9800998ECF8427E
.rdata 0x000a1000 24 bytes 512 bytes 0.17 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ 9531CAF4E9454E0F9AEE948269538E22
.reloc 0x000a2000 35,036 bytes 35,328 bytes 6.73 (Compressed) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_DISCARDABLE|IMAGE_SCN_MEM_READ 0AECFA40C5C040136EE992D0B6538C77
.rsrc 0x000ab000 17,008 bytes 17,408 bytes 4.36 (Normal) IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ B8D9D19976AFE15B74CF45EB05BEA18A
Entropy Analysis Alert

2 section(s) with elevated entropy (≥6.5) - possible compression

Resource Analysis

▼
Total Resources: 32 (15,282 bytes)
Resource Type Count Total Size Percentage
RT_CURSOR 7 2,156 bytes
14.1%
RT_STRING 14 9,496 bytes
62.1%
RT_RCDATA 3 2,634 bytes
17.2%
RT_GROUP_CURSOR 7 140 bytes
0.9%
RT_VERSION 1 856 bytes
5.6%

Certificate Chain Analysis

▼
No Digital Signatures

This file is not digitally signed.

Security Implications:
  • Cannot verify the publisher's identity
  • Increased security risk when running this file
  • May trigger security warnings on some systems

⚠ This file either lacks a digital signature or the certificate chain could not be verified
Exercise caution when executing unsigned files from unknown sources

Certificate Verification Status

No valid SignedData structure was found.

Recommendation: Verify the file source and ensure it comes from a trusted publisher.

Backdoor.Win32.Fynloski.zv!n Removal

Gridinsoft has the capability to identify and eliminate Backdoor.Win32.Fynloski.zv!n without requiring further user intervention.

Download Anti-Malware

Removal Instructions

Follow these steps to completely remove the threat from your system

  1. Start by downloading Gridinsoft Anti-Malware to your computer.
  2. Double-click on the gsam-en-install.exe file and follow the on-screen instructions to install the program.
  3. Once the installation of Gridinsoft Anti-Malware is complete, the program will open on the Scan screen.
  4. Click on the "Standard Scan" button to begin scanning your computer for threats.
  5. After the scanning process is finished, click on "Clean Now" to remove any detected threats.
  6. If prompted, restart your system to complete the removal process and ensure all threats are eliminated.
Important: Before You Start
Disconnect from the internet to prevent the malware from spreading or downloading additional threats. Run the scan in Safe Mode for better detection and removal of persistent threats.

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