Worm:Win32/Slenfbot.ALJ

Worm:Win32/Slenfbot.ALJ detection is a virus detection you can spectate in your computer. It often shows up after the provoking procedures on your PC – opening the suspicious e-mail messages, clicking the banner in the Internet or setting up the program from unreliable resources. From the second it shows up, you have a short time to take action before it starts its malicious action. And be sure – it is better not to await these malicious actions.

What is Worm:Win32/Slenfbot.ALJ virus?

Worm:Win32/Slenfbot.ALJ is ransomware-type malware. It looks for the files on your disks, encrypts it, and after that asks you to pay the ransom for getting the decryption key. Besides making your files locked, this virus also does a lot of damage to your system. It alters the networking settings in order to stop you from reading the removal guidelines or downloading the antivirus. Sometimes, Worm:Win32/Slenfbot.ALJ can even prevent the setup of anti-malware programs.

Worm:Win32/Slenfbot.ALJ Summary

In total, Worm:Win32/Slenfbot.ALJ virus actions in the infected PC are next:

  • Behavioural detection: Executable code extraction – unpacking;
  • SetUnhandledExceptionFilter detected (possible anti-debug);
  • Yara rule detections observed from a process memory dump/dropped files/CAPE;
  • Creates RWX memory;
  • Possible date expiration check, exits too soon after checking local time;
  • Anomalous file deletion behavior detected (10+);
  • A process attempted to delay the analysis task.;
  • Dynamic (imported) function loading detected;
  • Enumerates running processes;
  • Repeatedly searches for a not-found process, may want to run with startbrowser=1 option;
  • A process created a hidden window;
  • CAPE extracted potentially suspicious content;
  • Drops a binary and executes it;
  • Unconventionial language used in binary resources: Russian;
  • Authenticode signature is invalid;
  • Deletes its original binary from disk;
  • Checks for the presence of known windows from debuggers and forensic tools;
  • Likely virus infection of existing system binary;
  • Attempts to identify installed analysis tools by a known file location;
  • Checks the presence of disk drives in the registry, possibly for anti-virtualization;
  • Creates a copy of itself;
  • Encrypting the documents located on the target’s drive — so the victim cannot use these documents;
  • Blocking the launching of .exe files of security tools
  • Blocking the launching of installation files of anti-virus programs

Ransomware has been a major problem for the last 4 years. It is challenging to picture a more hazardous virus for both individual users and companies. The algorithms used in Worm:Win32/Slenfbot.ALJ (usually, RHA-1028 or AES-256) are not hackable – with minor exclusions. To hack it with a brute force, you need to have more time than our galaxy currently exists, and possibly will exist. However, that virus does not do all these bad things instantly – it can require up to a few hours to cipher all of your documents. Hence, seeing the Worm:Win32/Slenfbot.ALJ detection is a clear signal that you have to begin the removal procedure.

Where did I get the Worm:Win32/Slenfbot.ALJ?

Typical methods of Worm:Win32/Slenfbot.ALJ distribution are usual for all other ransomware examples. Those are one-day landing web pages where victims are offered to download and install the free program, so-called bait e-mails and hacktools. Bait e-mails are a relatively new method in malware distribution – you receive the e-mail that imitates some routine notifications about shippings or bank service conditions shifts. Within the email, there is an infected MS Office file, or a link which opens the exploit landing site.

Malicious email spam

Malicious email message. This one tricks you to open the phishing website.

Preventing it looks pretty simple, however, still demands a lot of awareness. Malware can hide in different spots, and it is better to stop it even before it invades your PC than to rely upon an anti-malware program. Standard cybersecurity knowledge is just an important item in the modern-day world, even if your relationship with a computer remains on YouTube videos. That can keep you a lot of money and time which you would spend while seeking a fixing guide.

Worm:Win32/Slenfbot.ALJ malware technical details

File Info:

name: BF5542D8FE09C818B714.mlwpath: /opt/CAPEv2/storage/binaries/c6af6be0cec33886f080c18d9aed20a37d959338a26d8f88532f8a55a5984333crc32: B5A5B734md5: bf5542d8fe09c818b714396b471319d6sha1: 0261ab09481b772a4e9c39d7c1c2d3bec9af867dsha256: c6af6be0cec33886f080c18d9aed20a37d959338a26d8f88532f8a55a5984333sha512: 1e6a27c3a786091ad419212838bef7c86a12c4bdca27dbacafb7ab809f44fa758cc661efe182f9afc152d4e29256686aa6cb7433dc042eca502d698b5a9684c6ssdeep: 3072:BAfzFsQUbuRk+ebNeWCw+FU6IR1zCV8dIHcU7422DXb8/wlrqHepgV8lVZF5s6rK:TgKNSw+NIRGTcUywmOHeeVQFL1XJOKUtype: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T19F44120A1185165AE28A5B3DDE62BD81771C3D188FE397025FC456293F3B6E5C392B33sha3_384: 1d385af2ad915efc530def79bb4c2a1ac3a9166c8b03e861116dbb4710902d061f5454d7f8a4918117348e5c08f53c49ep_bytes: 558bec81c410fdffff03f3f7dabe4526timestamp: 2004-03-10 07:51:19

Version Info:

CompanyName: Aper1 SoftwareFileDescription: Aper1 Internet BrowserFileVersion: 1190InternalName: Aper1LegalCopyright: Copyright © Oper1 Software 1995-2011OriginalFilename: Aper1.exeProductName: Aper1 Internet BrowserProductVersion: 11.01Translation: 0x0409 0x04b0

Worm:Win32/Slenfbot.ALJ also known as:

BkavW32.AIDetect.malware2
LionicWorm.Win32.Kolab.p!c
Elasticmalicious (high confidence)
MicroWorld-eScanTrojan.Ransom.Cerber.1
FireEyeGeneric.mg.bf5542d8fe09c818
CAT-QuickHealWorm.SlenfBot.Gen
ALYacTrojan.Ransom.Cerber.1
CylanceUnsafe
VIPRETrojan.Win32.Kryptik.lbu (v)
SangforExploit.Win32.ShellCode.gen
K7AntiVirusTrojan ( 0055dd191 )
AlibabaWorm:Win32/Kolab.d74c0259
K7GWTrojan ( 0055dd191 )
Cybereasonmalicious.8fe09c
BitDefenderThetaGen:NN.ZexaF.34212.qq1@aa1IUshc
VirITBackdoor.Win32.Bot.BCW
SymantecW32.Qakbot!gen5
ESET-NOD32a variant of Win32/Kryptik.KRS
TrendMicro-HouseCallBKDR_QAKBOT.SMG
Paloaltogeneric.ml
CynetMalicious (score: 100)
KasperskyNet-Worm.Win32.Kolab.veo
BitDefenderTrojan.Ransom.Cerber.1
NANO-AntivirusTrojan.Win32.Agent.gzjkx
ViRobotWorm.Win32.A.Net-Kolab.204936.A
AvastWin32:Kryptik-AEV [Trj]
TencentMalware.Win32.Gencirc.114bdeed
Ad-AwareTrojan.Ransom.Cerber.1
SophosMal/Generic-R + Mal/FakeAV-IX
ComodoTrojWare.Win32.TrojanSpy.Zbot.G@2tckk5
DrWebBackDoor.IRC.Bot.750
ZillyaWorm.Kolab.Win32.14761
TrendMicroBKDR_QAKBOT.SMG
McAfee-GW-EditionPWS-Spyeye.ff
EmsisoftTrojan.Ransom.Cerber.1 (B)
APEXMalicious
GDataTrojan.Ransom.Cerber.1
JiangminTrojan/Generic.dltn
AviraTR/Crypt.XPACK.Gen
MAXmalware (ai score=100)
Antiy-AVLTrojan/Generic.ASMalwS.1879B25
SUPERAntiSpyware
ZoneAlarmNet-Worm.Win32.Kolab.veo
MicrosoftWorm:Win32/Slenfbot.ALJ
SentinelOneStatic AI – Malicious PE
McAfeePWS-Spyeye.ff
VBA32Trojan.Zeus.EA.0999
RisingExploit.ShellCode!8.2A (CLOUD)
YandexTrojan.GenAsa!BEi6KAvmlME
IkarusTrojan-Spy.Win32.Zbot
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/Kryptik.NAS!tr
AVGWin32:Kryptik-AEV [Trj]
PandaBck/Qbot.AO
CrowdStrikewin/malicious_confidence_100% (D)

How to remove Worm:Win32/Slenfbot.ALJ?

Worm:Win32/Slenfbot.ALJ malware is incredibly hard to eliminate manually. It stores its files in multiple places throughout the disk, and can restore itself from one of the elements. Furthermore, countless alterations in the windows registry, networking configurations and also Group Policies are quite hard to find and change to the original. It is far better to use a special app – exactly, an anti-malware program. GridinSoft Anti-Malware will fit the most ideal for virus elimination purposes.

Why GridinSoft Anti-Malware? It is pretty light-weight and has its databases updated practically every hour. Additionally, it does not have such problems and exploits as Microsoft Defender does. The combination of these aspects makes GridinSoft Anti-Malware perfect for removing malware of any form.

Download GridinSoft Anti-Malware

Remove the viruses with GridinSoft Anti-Malware

  • Download and install GridinSoft Anti-Malware. After the installation, you will be offered to perform the Standard Scan. Approve this action.
  • Gridinsoft Anti-Malware during the scan process
  • Standard scan checks the logical disk where the system files are stored, together with the files of programs you have already installed. The scan lasts up to 6 minutes.
  • GridinSoft Anti-Malware scan results
  • When the scan is over, you may choose the action for each detected virus. For all files of [SHORT_NAME] the default option is “Delete”. Press “Apply” to finish the malware removal.
  • GridinSoft Anti-Malware - After Cleaning