Ransom: Msil/Jigsawlocker! Rfn

What is Ransom:MSIL/JigsawLocker!rfn infection?

In this short article you will discover about the definition of Ransom:MSIL/JigsawLocker!rfn and also its negative impact on your computer system. Such ransomware are a type of malware that is clarified by on-line frauds to demand paying the ransom money by a target.

Most of the cases, Ransom:MSIL/JigsawLocker!rfn virus will advise its victims to launch funds move for the objective of reducing the effects of the changes that the Trojan infection has presented to the target’s tool.

Ransom:MSIL/JigsawLocker!rfn Summary

These alterations can be as complies with:

  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • Drops a binary and executes it. Trojan-Downloader installs itself to the system and waits until an Internet connection becomes available to connect to a remote server or website in order to download additional malware onto the infected computer.
  • Installs itself for autorun at Windows startup. There is simple tactic using the Windows startup folder located at:
    C:\Users\[user-name]\AppData\Roaming\Microsoft\Windows\StartMenu\Programs\Startup. Shortcut links (.lnk extension) placed in this folder will cause Windows to launch the application each time [user-name] logs into Windows.

    The registry run keys perform the same action, and can be located in different locations:

    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run
    • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\RunOnce
    • HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\RunOnce
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Creates a copy of itself;
  • Unusual version info supplied for binary;
  • Ciphering the documents situated on the target’s hard drive — so the target can no longer use the information;
  • Preventing regular access to the target’s workstation. This is the typical behavior of a virus called locker. It blocks access to the computer until the victim pays the ransom.

Ransom:MSIL/JigsawLocker!rfn

The most common networks whereby Ransom:MSIL/JigsawLocker!rfn are injected are:

  • By ways of phishing emails;
  • As a consequence of individual winding up on a resource that organizes a destructive software program;

As quickly as the Trojan is successfully infused, it will either cipher the information on the victim’s PC or stop the tool from operating in a correct fashion – while additionally putting a ransom money note that points out the demand for the targets to effect the repayment for the function of decrypting the papers or restoring the documents system back to the initial problem. In a lot of instances, the ransom money note will turn up when the client restarts the PC after the system has already been damaged.

Ransom:MSIL/JigsawLocker!rfn distribution channels.

In various corners of the world, Ransom:MSIL/JigsawLocker!rfn expands by leaps as well as bounds. Nevertheless, the ransom notes as well as methods of extorting the ransom money quantity may vary relying on particular local (local) settings. The ransom money notes and also methods of extorting the ransom money amount might vary depending on certain regional (local) setups.

As an example:

    Faulty signals about unlicensed software.

    In particular areas, the Trojans commonly wrongfully report having spotted some unlicensed applications made it possible for on the target’s device. The sharp then demands the user to pay the ransom.

    Faulty declarations concerning unlawful content.

    In countries where software program piracy is less prominent, this approach is not as efficient for the cyber fraudulences. Conversely, the Ransom:MSIL/JigsawLocker!rfn popup alert may falsely claim to be stemming from a law enforcement organization and also will certainly report having located youngster porn or various other unlawful information on the device.

    Ransom:MSIL/JigsawLocker!rfn popup alert may wrongly claim to be deriving from a law enforcement institution and will report having located youngster pornography or other illegal data on the tool. The alert will likewise include a requirement for the user to pay the ransom money.

Technical details

File Info:

crc32: 1A363547md5: 6d1cc476e944bee6fa720b5881c9d8acname: 6D1CC476E944BEE6FA720B5881C9D8AC.mlwsha1: c0755e33e5a0557b0e69c7b7b468e93a29e213aasha256: e2310969be5df2d897567a540436ccc6cddcd0d2bf0ca87bf3b9550923f9c9absha512: 2130cbfa3e5d4fca72547388e0b3cfdf2c620c5fda11e8ca424891a9f5cf853bb30272b52258bd74c7e3b3dc6522cbb11a4e42d6d417323d4b65f24eb00e73e5ssdeep: 6144:uHD8+eh3DSS3guO2YBW0avwhQ2+MaqzYOxQ4rCt0O:uHIjpSWvOPBsvwO2+MaqkOotype: PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows

Version Info:

Translation: 0x0000 0x04b0LegalCopyright: Microsoft CooporationAssembly Version: 31.0.1.5411InternalName: BTC MultiGrabber.exeFileVersion: 31.0.1.5411CompanyName: LegalTrademarks: Comments: ProductName: Host Process for Windows ServicesProductVersion: 31.0.1.5411FileDescription: Host Process for Windows ServicesOriginalFilename: BTC MultiGrabber.exe

Ransom:MSIL/JigsawLocker!rfn also known as:

GridinSoftTrojan.Ransom.Gen
Elasticmalicious (high confidence)
MicroWorld-eScanDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0
FireEyeGeneric.mg.6d1cc476e944bee6
CAT-QuickHealTrojan.Fsysna
Qihoo-360Win32/Trojan.385
ALYacDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0
CylanceUnsafe
VIPRETrojan.Win32.Generic!BT
SangforTrojan.Win32.Save.a
K7AntiVirusPassword-Stealer ( 004d6a1c1 )
BitDefenderDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0
K7GWPassword-Stealer ( 004d6a1c1 )
Cybereasonmalicious.6e944b
BitDefenderThetaGen:NN.ZemsilF.34590.wm0@a0Y22rf
SymantecML.Attribute.HighConfidence
APEXMalicious
AvastWin32:Malware-gen
KasperskyTrojan.Win32.Fsysna.ekia
AlibabaTrojan:Win32/Fsysna.47c1e820
NANO-AntivirusTrojan.Win32.BitCoinMiner.eqjvns
ViRobotTrojan.Win32.Z.Fsysna.373760
TencentMalware.Win32.Gencirc.114b07a9
Ad-AwareDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0
EmsisoftDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0 (B)
ComodoMalware@#22ezzcu3eofsp
F-Secure
DrWebTrojan.MulDrop7.28891
ZillyaTrojan.Fsysna.Win32.14648
TrendMicroRansom.MSIL.JIGSAW.SMB
McAfee-GW-EditionGenericRXBW-AA!6D1CC476E944
SophosMal/Generic-R + Troj/Jigsaw-K
IkarusTrojan.MSIL.PSW
JiangminTrojan.Fsysna.hqz
AviraHEUR/AGEN.1101058
Antiy-AVLTrojan/Win32.Fsysna
MicrosoftRansom:MSIL/JigsawLocker!rfn
ArcabitDeepScan:Generic.MSIL.Ransomware.Jigsaw.6416D1F0
ZoneAlarmTrojan.Win32.Fsysna.ekia
GDataMSIL.Trojan.ClipBanker.C
CynetMalicious ()
AhnLab-V3Trojan/Win32.RL_Fsysna.C4249603
McAfeeGenericRXBW-AA!6D1CC476E944
MAXmalware (ai score=89)
VBA32Trojan.Fsysna
MalwarebytesTrojan.BitCoinStealer
PandaTrj/CI.A
ESET-NOD32a variant of MSIL/PSW.CoinStealer.Z
TrendMicro-HouseCallRansom.MSIL.JIGSAW.SMB
RisingRansom.JigsawLocker!8.52DD (CLOUD)
YandexTrojan.Fsysna!I6KV0IYl2MA
SentinelOneStatic AI – Malicious PE
eGambitUnsafe.AI_Score_99%
FortinetMSIL/Jigsaw.K!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
CrowdStrikewin/malicious_confidence_100% (W)
Elena Rostova

Elena Rostova

Lead Health, Wellness & Medical Journalist

Elena Rostova holds a Master's degree in Public Health Journalism. She covers groundbreaking medical research, holistic wellness trends, mental health awareness, and nutritional science.

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