Win32/Kryptik. Fnyn

Win32/Kryptik. Fnyn

What is Win32/Kryptik.FNYN infection?

In this short article you will certainly find concerning the definition of Win32/Kryptik.FNYN and its negative influence on your computer. Such ransomware are a kind of malware that is specified by on the internet fraudulences to require paying the ransom by a target.

In the majority of the cases, Win32/Kryptik.FNYN ransomware will instruct its victims to initiate funds transfer for the function of reducing the effects of the amendments that the Trojan infection has introduced to the sufferer’s gadget.

Win32/Kryptik.FNYN Summary

These adjustments can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Attempts to connect to a dead IP:Port (4 unique times);
  • 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.
  • A process attempted to delay the analysis task.;
  • Creates an excessive number of UDP connection attempts to external IP addresses;
  • Performs some HTTP requests;
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • Exhibits possible ransomware file modification behavior;
  • Creates a hidden or system file. The malware adds the hidden attribute to every file and folder on your system, so it appears as if everything has been deleted from your hard drive.
  • EternalBlue behavior. Allows cyber threat actors to remotely execute arbitrary code and gain access to a network by sending specially crafted packets.

    This is has made EternalBlue trick popular with various malware, such as Trickbot, a modular banking trojan, as well as CoinMiner and WannaMine, crypto miners that use the EternalBlue exploit in order to gain access to computing power to mine cryptocurrencies.

  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • Generates some ICMP traffic;
  • Collects information to fingerprint the system. There are behavioral human characteristics that can be used to digitally identify a person to grant access to systems, devices, or data. Unlike passwords and verification codes, fingerprints are fundamental parts of user’s identities. Among the threats blocked on biometric data processing and storage systems is spyware, the malware used in phishing attacks (mostly spyware downloaders and droppers), ransomware, and Banking Trojans as posing the greatest danger.
  • Anomalous binary characteristics. This is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Ciphering the records found on the victim’s disk drive — so the sufferer can no longer utilize the data;
  • Preventing routine accessibility 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.
api.blockcypher.comRansom.Exxroute.A3
btc.blockr.ioRansom.Exxroute.A3
bitaps.comRansom.Exxroute.A3
chain.soRansom.Exxroute.A3
ocsp.digicert.comRansom.Exxroute.A3
p27dokhpz2n7nvgr.1lseoi.topRansom.Exxroute.A3

Win32/Kryptik.FNYN

One of the most typical channels through which Win32/Kryptik.FNYN Ransomware Trojans are infused are:

  • By ways of phishing emails;
  • As a repercussion of customer ending up on a source that holds a destructive software;

As quickly as the Trojan is efficiently injected, it will certainly either cipher the data on the victim’s computer or stop the gadget from working in a proper manner – while also positioning a ransom money note that states the need for the victims to impact the payment for the objective of decrypting the documents or restoring the documents system back to the first condition. In many circumstances, the ransom money note will certainly turn up when the client reboots the COMPUTER after the system has already been harmed.

Win32/Kryptik.FNYN circulation channels.

In numerous edges of the world, Win32/Kryptik.FNYN grows by leaps as well as bounds. However, the ransom notes and methods of obtaining the ransom amount might differ relying on certain neighborhood (regional) setups. The ransom notes and methods of extorting the ransom money amount may vary depending on particular regional (regional) setups.

As an example:

    Faulty informs regarding unlicensed software program.

    In specific locations, the Trojans frequently wrongfully report having actually discovered some unlicensed applications allowed on the victim’s gadget. The alert after that requires the customer to pay the ransom money.

    Faulty declarations about prohibited content.

    In nations where software program piracy is less prominent, this method is not as efficient for the cyber fraudulences. Alternatively, the Win32/Kryptik.FNYN popup alert might falsely assert to be deriving from a law enforcement organization as well as will report having located youngster pornography or other illegal data on the tool.

    Win32/Kryptik.FNYN popup alert might incorrectly assert to be deriving from a legislation enforcement establishment and will report having situated child porn or other illegal information on the gadget. The alert will in a similar way include a need for the individual to pay the ransom money.

Technical details

File Info:

crc32: D666DEA9md5: b2a55149a8e7af63e688ee602e9af112name: B2A55149A8E7AF63E688EE602E9AF112.mlwsha1: 03c6d15b47ef87c3dbe401d9170c6c5f1dc84064sha256: 829cfe44aed6b85ce96dec6dc16bafe840cd6f22211dde61e30100fd4ebe2554sha512: d5f4b4803852a7c4061240a261e2c88b78b91319b5f5adfb220d063332d71671b5ffdc8f88fa49291d00a86e6e48ed258dc99d22640af6b40bd82e073b229faessdeep: 6144:7Bgd/RLCJgSyGQ9ikA7WVJP1Nh9LvRZiXc0DPF1n:yGgNik6WVJ7DLRZxCntype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Win32/Kryptik.FNYN also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 005190011 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.10250
CynetMalicious ()
CAT-QuickHealRansom.Exxroute.A3
ALYacTrojan.Ransom.Spora.Gen.1
CylanceUnsafe
ZillyaTrojan.Kryptik.Win32.2777766
SangforTrojan.Win32.Save.a
CrowdStrikewin/malicious_confidence_100% (D)
K7GWTrojan ( 0050492c1 )
Cybereasonmalicious.9a8e7a
BaiduWin32.Trojan.Kryptik.bjl
CyrenW32/Ransom.DM.gen!Eldorado
SymantecPacked.Generic.493
ESET-NOD32a variant of Win32/Kryptik.FNYN
APEXMalicious
AvastWin32:Malware-gen
ClamAVWin.Ransomware.Zerber-6814218-0
KasperskyHEUR:Trojan.Win32.Generic
BitDefenderTrojan.Ransom.Spora.Gen.1
NANO-AntivirusTrojan.Win32.Encoder.evdncm
SUPERAntiSpyware
MicroWorld-eScanTrojan.Ransom.Spora.Gen.1
TencentMalware.Win32.Gencirc.10baaa46
Ad-AwareTrojan.Ransom.Spora.Gen.1
SophosML/PE-A + Mal/Elenoocka-E
ComodoTrojWare.Win32.Crypt.CA@6ykcle
F-Secure
BitDefenderThetaGen:NN.ZexaF.34686.pqW@a4zRQxhi
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_HPCERBER.SMONT4
McAfee-GW-EditionBehavesLike.Win32.Ransomware.dc
FireEyeGeneric.mg.b2a55149a8e7af63
EmsisoftTrojan.Ransom.Spora.Gen.1 (B)
SentinelOneStatic AI – Malicious PE
JiangminTrojan.Zerber.aqs
AviraTR/Crypt.XPACK.Gen8
eGambitUnsafe.AI_Score_99%
MicrosoftRansom:Win32/Cerber.J
ArcabitTrojan.Ransom.Spora.Gen.1
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.Spora.Gen.1
AhnLab-V3Trojan/Win32.Generic.C2277354
Acronissuspicious
McAfeeRansomware-FMJ!B2A55149A8E7
MAXmalware (ai score=99)
VBA32BScope.Trojan.Encoder
MalwarebytesRansom.Cerber
PandaTrj/Genetic.gen
TrendMicro-HouseCallRansom_HPCERBER.SMONT4
RisingMalware.Heuristic!ET#100% (RDMK:cmRtazpSlEkz6UWLnwsSNHmVy+Lx)
YandexTrojan.Agent!Hmpb+bea/xY
IkarusTrojan.Win32.Filecoder
FortinetW32/Kryptik.FOZG!tr
AVGWin32:Malware-gen
Paloaltogeneric.ml
James H. Sterling
Author

James H. Sterling

James Sterling reports on renewable energy developments, climate policy, ecological conservation, and green tech innovations around the globe.