Categories: Malware

What is “Ursu.778508”?

The Ursu.778508 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 Ursu.778508 virus can do?

  • Executable code extraction
  • Creates RWX memory
  • A process attempted to delay the analysis task.
  • Attempts to connect to a dead IP:Port (5 unique times)
  • At least one IP Address, Domain, or File Name was found in a crypto call
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • Detects Sandboxie through the presence of a library
  • Checks for the presence of known windows from debuggers and forensic tools
  • The following process appear to have been packed with Themida: update.dat
  • Exhibits possible ransomware file modification behavior
  • 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
  • Checks the CPU name from registry, possibly for anti-virtualization
  • Detects VirtualBox through the presence of a registry key
  • Attempts to modify proxy settings
  • Anomalous binary characteristics
  • Clears web history

Related domains:

z.whorecord.xyz
a.tomx.xyz
pubg.hackrules.com
whos.amung.us
ocsp.digicert.com
status.geotrust.com
widgets.amung.us

How to determine Ursu.778508?


File Info:

crc32: C93D5171md5: f32d5bb45d57a3a14fe074ce74fef913name: update.datsha1: a713b18771effefbc4f7562792df9e5181794e90sha256: 4b08eab98e390ea584b891ef1efe602ae729ad0a1589693db4c219b8400c4fe0sha512: 4b5c8c3e0f8d929be6d4e87b2e62af4589750e7cf3f7998b3f36a35afe18aa82e46d561108574f8ddc230fc97c8d35b0e6f4ed1976a5c69425c3c5c895d94d61ssdeep: 98304:DK1evbB8PlBUDf+3ndUx6epHwffeLAG20VvL9rsvTvZLdWG3PE7mcXr:DKMvd8Pli+tU2ffGlYTBxl383type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

Translation: 0x0409 0x04b0InternalName: MODGVLD PUBGMFileVersion: 1.00CompanyName: Microsoft CoporationComments: Microsoft CoporationProductName: Microsoft CoporationProductVersion: 1.00FileDescription: Microsoft CoporationOriginalFilename: MODGVLD PUBGM.EXE

Ursu.778508 also known as:

Bkav HW32.Packed.
MicroWorld-eScan Gen:Variant.Ursu.778508
Cylance Unsafe
BitDefender Gen:Variant.Ursu.778508
Cybereason malicious.45d57a
Invincea heuristic
APEX Malicious
GData Gen:Variant.Ursu.778508
Kaspersky HEUR:Trojan-Dropper.Win32.Dapato.vho
Endgame malicious (high confidence)
Emsisoft Gen:Variant.Ursu.778508 (B)
F-Secure Trojan.TR/Dropper.Gen
Trapmine malicious.high.ml.score
FireEye Generic.mg.f32d5bb45d57a3a1
Ikarus Trojan.Win64.Themida
Webroot W32.Trojan.Gen
Avira TR/Dropper.Gen
MAX malware (ai score=80)
Arcabit Trojan.Ursu.DBE10C
ZoneAlarm HEUR:Trojan-Dropper.Win32.Dapato.vho
Microsoft Trojan:Win32/Wacatac.D!ml
AhnLab-V3 Trojan/Win32.Agent.C4056046
Acronis suspicious
ALYac Gen:Variant.Ursu.778508
Ad-Aware Gen:Variant.Ursu.778508
Malwarebytes Trojan.MalPack.Themida
ESET-NOD32 a variant of Win32/Packed.Themida.HFL
Rising Malware.Heuristic!ET#100% (RDMK:cmRtazppfflLsp+zYMzDbXntd4Dp)
SentinelOne DFI – Malicious PE
eGambit Unsafe.AI_Score_87%
BitDefenderTheta Gen:NN.ZexaF.34110.@F0aaqhfPmji
CrowdStrike win/malicious_confidence_100% (D)

How to remove Ursu.778508?

  • 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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