Categories: Trojan

Trojandownloader.Stralo (file analysis)

The Trojandownloader.Stralo 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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What Trojandownloader.Stralo virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • The binary likely contains encrypted or compressed data.
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: marg.exe
  • Checks for the presence of known devices from debuggers and forensic tools
  • Detects the presence of Wine emulator via registry key
  • Checks the version of Bios, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Anomalous binary characteristics

Related domains:

bitbucket.org

How to determine Trojandownloader.Stralo?


File Info:

crc32: 06F71995md5: b68c8121787369ee612c92cd23790cd7name: marg.exesha1: 30e455e45a0195a00d468a41dc9bbb7de97f0fa9sha256: 65d2701534641f47601f4a2e226d1b53de51488a42dd1393c1dccc7533be0e89sha512: 16255673b73ff1deda344cdf20e3cdbe74644416eedd4cc1517c4251cd57a9f4dc22355770fece13df51c61e2f8f35b726859afc85a9776240cfd4655b7df017ssdeep: 49152:8oCsV7YFzzaGBDZqtzVTPECDGukoz9sXnfWGGs:GshYdeeZuzVT8Cp2XOGGtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: InternalName: FileVersion: 1.1.28.01ProductName: ProductVersion: 1.1.28.01FileDescription: OriginalFilename: Translation: 0x0409 0x04b0

Trojandownloader.Stralo also known as:

Bkav W32.HfsAutoB.
MicroWorld-eScan Trojan.GenericKD.33042201
FireEye Generic.mg.b68c8121787369ee
CAT-QuickHeal Trojandownloader.Stralo
Qihoo-360 Generic/HEUR/QVM19.1.0A4D.Malware.Gen
McAfee Artemis!B68C81217873
Cylance Unsafe
VIPRE Trojan.Win32.Generic!BT
AegisLab Trojan.Win32.Stralo.a!c
K7AntiVirus Trojan ( 00559ab31 )
BitDefender Trojan.GenericKD.33042201
K7GW Trojan ( 00559ab31 )
Cybereason malicious.45a019
TrendMicro Trojan.Win32.WACATAC.USXVPB520
ESET-NOD32 a variant of Win32/Packed.Themida.GZV
APEX Malicious
Paloalto generic.ml
GData Trojan.GenericKD.33042201
Kaspersky HEUR:Trojan-Downloader.Win32.Stralo.vho
Alibaba Packed:Win32/Themida.68c2b4fd
Avast Win32:Trojan-gen
Rising Downloader.Stralo!8.1147C (CLOUD)
Endgame malicious (high confidence)
Emsisoft Trojan.GenericKD.33042201 (B)
F-Secure Heuristic.HEUR/AGEN.1038489
Invincea heuristic
McAfee-GW-Edition BehavesLike.Win32.Generic.vc
Trapmine malicious.high.ml.score
Sophos Mal/Generic-S
Ikarus Win32.Outbreak
Cyren W32/Trojan.KCYB-5076
Webroot W32.Stralo
Avira HEUR/AGEN.1038489
MAX malware (ai score=80)
Microsoft Trojan:Win32/Skeeyah.A!MTB
Arcabit Trojan.Generic.D1F82F19
ZoneAlarm HEUR:Trojan-Downloader.Win32.Stralo.vho
Acronis suspicious
ALYac Trojan.GenericKD.33042201
Ad-Aware Trojan.GenericKD.33042201
Malwarebytes Trojan.Downloader.AHK.Themida
TrendMicro-HouseCall Trojan.Win32.WACATAC.USXVPB520
Tencent Win32.Trojan.Agent.Pftc
SentinelOne DFI – Suspicious PE
eGambit Unsafe.AI_Score_99%
Fortinet W32/Themida.ASK!tr
AVG Win32:Trojan-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_100% (W)
MaxSecure Trojan.Malware.300983.susgen

How to remove Trojandownloader.Stralo?

  • 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.
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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