Trojan

Trojan.Downloader.JSZI removal guide

Malware Removal

The Trojan.Downloader.JSZI is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Trojan.Downloader.JSZI virus can do?

  • Sample contains Overlay data
  • Reads data out of its own binary image
  • The binary contains an unknown PE section name indicative of packing
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Authenticode signature is invalid
  • Yara detections observed in process dumps, payloads or dropped files

How to determine Trojan.Downloader.JSZI?


File Info:

name: 1AFE2E56AC845DAA25E5.mlw
path: /opt/CAPEv2/storage/binaries/524de4ce4f953a5a93f9a11629bb8ab7a6a92440510577fa64a9be2dcbbb2e04
crc32: 74F85D35
md5: 1afe2e56ac845daa25e5db43a371f234
sha1: 76c2487fdb0f4a5567c0949ea6513d576d7f6d1a
sha256: 524de4ce4f953a5a93f9a11629bb8ab7a6a92440510577fa64a9be2dcbbb2e04
sha512: c7bd6f006c1c93bb092219e65834603208828752e645878c8cc7a4da6b8f0dd760856363c59137c74ab21fcb1930b7e4fa991aee59d4110847e0ebe5eb9f936f
ssdeep: 12288:6GuWm0QRVRdgFkEXIc0pg3xTX2ep3vWQrWKiBJkE4:Xc7dgadoTXFdeaWXP4
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T112C42302E278CB9CEA2DD5718EC7DD1C235D747A56DF6F23E5BCB20D6AB1D206829044
sha3_384: edd809092f71896c9501f0e026ffecd6a257cc666f1481d87f43ca1e56501eeb65035677805c03d30cc80bba14c05574
ep_bytes: 60be004051008dbe00d0eeff5783cdff
timestamp: 2007-11-14 16:27:56

Version Info:

Comments: Created with Multimedia Builder, version 4.9.8.13
CompanyName:
FileDescription:
FileVersion: 1.0.0.0
InternalName:
LegalCopyright:
LegalTrademarks:
OriginalFilename: befrost.exe
PrivateBuild: 1.0.0.0
ProductName:
ProductVersion: 1.0.0.0
SpecialBuild: 1.0.0.0
Translation: 0x0409 0x04b0

Trojan.Downloader.JSZI also known as:

BkavW32.Common.D1840DA3
LionicTrojan.Win32.Bifrose.m!c
AVGWin32:Meredrop-BG [Trj]
DrWebBackDoor.Bifrost.779
MicroWorld-eScanTrojan.Downloader.JSZI
FireEyeTrojan.Downloader.JSZI
SkyhighBehavesLike.Win32.Dropper.hc
McAfeeArtemis!1AFE2E56AC84
MalwarebytesGeneric.Malware/Suspicious
SangforBackdoor.Win32.Bifrose.Vhnd
AlibabaBackdoor:Win32/Bifrose.59f0fad8
Cybereasonmalicious.6ac845
SymantecBackdoor.Bifrose
AvastWin32:Meredrop-BG [Trj]
KasperskyBackdoor.Win32.Bifrose.bgn
BitDefenderTrojan.Downloader.JSZI
NANO-AntivirusTrojan.Win32.Bifrose.dxvdrk
TencentWin32.Backdoor.Bifrose.Swhl
SophosMal/Generic-S
VIPRETrojan.Downloader.JSZI
TrendMicroTROJ_GEN.R002C0WC824
EmsisoftTrojan.Downloader.JSZI (B)
VaristW32/Backdoor.HNRS-5187
MAXmalware (ai score=100)
KingsoftWin32.Hack.Bifrose.bgn
MicrosoftTrojan:Win32/Meredrop
XcitiumMalware@#2a84x1jq9hzw6
ArcabitTrojan.Downloader.JSZI
ZoneAlarmBackdoor.Win32.Bifrose.bgn
GDataTrojan.Downloader.JSZI
GoogleDetected
VBA32Backdoor.Bifrose
ALYacTrojan.Downloader.JSZI
TACHYONBackdoor/W32.Bifrose.1343777
Cylanceunsafe
PandaTrj/CI.A
TrendMicro-HouseCallTROJ_GEN.R002C0WC824
RisingBackdoor.Bifrose!8.B24 (CLOUD)
YandexBackdoor.Bifrose!qjwywBSdjis
IkarusTrojan.Win32.Meredrop
MaxSecureTrojan.Malware.1396818.susgen
FortinetW32/Dropper.1EF!tr
alibabacloudBackdoor:Win/Bifrose.bgn

How to remove Trojan.Downloader.JSZI?

Trojan.Downloader.JSZI removal tool
  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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