Trojan: Win32/Ymacco. Aa5B

Trojan: Win32/Ymacco. Aa5B

What is Trojan:Win32/Ymacco.AA5B infection?

In this short article you will discover regarding the interpretation of Trojan:Win32/Ymacco.AA5B as well as its negative effect on your computer. Such ransomware are a kind of malware that is specified by online scams to demand paying the ransom money by a victim.

Most of the cases, Trojan:Win32/Ymacco.AA5B ransomware will advise its targets to launch funds transfer for the purpose of neutralizing the amendments that the Trojan infection has introduced to the victim’s device.

Trojan:Win32/Ymacco.AA5B Summary

These modifications can be as complies with:

  • 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.
  • Compression (or decompression);
  • Enumerates user accounts on the system;
  • 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.;
  • Reads data out of its own binary image. The trick that allows the malware to read data out of your computer’s memory.

    Everything you run, type, or click on your computer goes through the memory. This includes passwords, bank account numbers, emails, and other confidential information. With this vulnerability, there is the potential for a malicious program to read that data.

  • Attempts to modify desktop wallpaper;
  • Exhibits behavior characteristic of Cerber ransomware;
  • Attempts to execute a binary from a dead or sinkholed URL;
  • 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.
  • Attempts to modify proxy settings. This trick used for inject malware into connection between browser and server;
  • Attempts to access Bitcoin/ALTCoin wallets;
  • 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 sufferer’s hard disk drive — so the sufferer can no longer make use of the information;
  • Preventing regular accessibility to the victim’s workstation;

Trojan:Win32/Ymacco.AA5B

The most common channels whereby Trojan:Win32/Ymacco.AA5B are infused are:

  • By means of phishing e-mails;
  • As a repercussion of individual winding up on a resource that holds a harmful software;

As soon as the Trojan is efficiently infused, it will certainly either cipher the data on the sufferer’s computer or protect against the gadget from operating in an appropriate fashion – while likewise putting a ransom money note that mentions the demand for the victims to effect the settlement for the function of decrypting the documents or restoring the file system back to the initial condition. In many circumstances, the ransom money note will certainly come up when the customer restarts the COMPUTER after the system has already been damaged.

Trojan:Win32/Ymacco.AA5B distribution channels.

In various corners of the globe, Trojan:Win32/Ymacco.AA5B expands by jumps as well as bounds. Nevertheless, the ransom money notes and techniques of obtaining the ransom amount may differ depending on certain regional (regional) settings. The ransom notes and techniques of obtaining the ransom money amount may differ depending on certain neighborhood (local) setups.

As an example:

    Faulty signals about unlicensed software program.

    In specific areas, the Trojans commonly wrongfully report having discovered some unlicensed applications enabled on the sufferer’s gadget. The alert after that requires the individual to pay the ransom money.

    Faulty statements concerning prohibited material.

    In countries where software piracy is less popular, this method is not as effective for the cyber scams. Conversely, the Trojan:Win32/Ymacco.AA5B popup alert might wrongly claim to be stemming from a law enforcement establishment as well as will certainly report having situated child pornography or various other prohibited data on the device.

    Trojan:Win32/Ymacco.AA5B popup alert may falsely claim to be deriving from a regulation enforcement institution and will certainly report having located child pornography or other illegal data on the device. The alert will likewise include a need for the customer to pay the ransom.

Technical details

File Info:

crc32: D5E0A980md5: a913efa4b1c416285fe0e6dce71f0044name: A913EFA4B1C416285FE0E6DCE71F0044.mlwsha1: 4c06775a95c2e6f19ecaa985fbc2ea10c3b97a45sha256: 5bba0feb13e254a9883f220faf84dea15c929df330b25f0e76d36c17ccf07ca7sha512: b19c97b6fb30c5443d0df9e061abd658f2dc0e94bf58c9f9ff719b7ce2ffc761f3eb81bc6a9185b3de3956fee9e7af7fb3f4ebf4e85455c353a586aac93de698ssdeep: 6144:jGC7W7BU9pVgmFsWNMv1lhksMeNm5gwz6O5MUct1jxINdFUsWNMG:Ba7gMDv1Lc5gwJTctbIHlGtype: PE32 executable (GUI) Intel 80386, for MS Windows, Nullsoft Installer self-extracting archive

Version Info:

0: [No Data]

Trojan:Win32/Ymacco.AA5B also known as:

GridinSoftTrojan.Ransom.Gen
BkavW32.AIDetect.malware1
K7AntiVirusTrojan ( 00503d011 )
Elasticmalicious (high confidence)
DrWebTrojan.Encoder.4691
CynetMalicious ()
ALYacTrojan.Ransom.Cerber.ZR
CylanceUnsafe
SangforRansom.Win32.Zerber.gen
CrowdStrikewin/malicious_confidence_100% (W)
AlibabaTrojan:Win32/Injector.0678ceb6
K7GWTrojan ( 00503d011 )
Cybereasonmalicious.4b1c41
SymantecRansom.Cerber
ESET-NOD32NSIS/Injector.SJ
APEXMalicious
AvastWin32:Trojan-gen
ClamAVWin.Ransomware.Cerber-9168474-0
KasperskyHEUR:Trojan-Ransom.Win32.Zerber.gen
BitDefenderTrojan.Ransom.Cerber.ZR
NANO-AntivirusTrojan.Nsis.Zerber.elfdwn
ViRobotTrojan.Win32.C.Agent.288687.H
SUPERAntiSpyware
MicroWorld-eScanTrojan.Ransom.Cerber.ZR
TencentWin32.Trojan.Raas.Auto
Ad-AwareTrojan.Ransom.Cerber.ZR
VIPRETrojan.Win32.Generic!BT
TrendMicroRansom_Zerber.R002C0OB721
McAfee-GW-EditionBehavesLike.Win32.ObfusRansom.dc
FireEyeGeneric.mg.a913efa4b1c41628
EmsisoftTrojan.Ransom.Cerber.ZR (B)
SentinelOneStatic AI – Suspicious PE
AviraHEUR/AGEN.1102531
MicrosoftTrojan:Win32/Ymacco.AA5B
AegisLabTrojan.Win32.Zerber.j!c
ZoneAlarmHEUR:Trojan.Win32.Generic
GDataTrojan.Ransom.Cerber.ZR
AhnLab-V3Trojan/Win32.Cerber.R194466
McAfeeArtemis!A913EFA4B1C4
MAXmalware (ai score=100)
VBA32Hoax.Zerber
MalwarebytesMalware.AI.1796488274
PandaTrj/CI.A
TrendMicro-HouseCallRansom_Zerber.R002C0OB721
IkarusTrojan.NSIS.Injector
FortinetW32/Injector.TD!tr
AVGWin32:Trojan-gen
Paloaltogeneric.ml
Qihoo-360Win32/Ransom.Cerber.HyoDH4oA
Alexander Ross
Author

Alexander Ross

Alexander Ross has covered the video game industry for a decade, writing deep dives on game design, esports tournaments, VR developments, and gaming culture.