Categories: Trojan

Dropped:Trojan.VBS.UNN (B) (file analysis)

The Dropped:Trojan.VBS.UNN (B) 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 Dropped:Trojan.VBS.UNN (B) virus can do?

  • Detected script timer window indicative of sleep style evasion
  • A process attempted to delay the analysis task.
  • Expresses interest in specific running processes
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • A scripting utility was executed
  • Attempts to repeatedly call a single API many times in order to delay analysis time
  • Installs itself for autorun at Windows startup
  • Creates a copy of itself
  • Uses suspicious command line tools or Windows utilities

How to determine Dropped:Trojan.VBS.UNN (B)?


File Info:

crc32: 9700A044md5: 5190705bf556d6a754e9a7ebbccd40f5name: 5190705BF556D6A754E9A7EBBCCD40F5.mlwsha1: 9e53c1615de15cf7e230d5c3e01fc815e137fe42sha256: 647bd5b396caf1de3f9c438794b3099208958ca1bf2cacbc5452f7afe756ef06sha512: a359cfa8fcbdb4a58bebf1369ceb9d416357d8df255c83a1e4b0d02af6a094416029cd9c362f2a0d53dcfe32c1f988c445c7e19dceb1170f7760d4d3e914a7ddssdeep: 768:ZP9TDe9Su805e1eq2+21P7jF+AoynNMDM6980tHRDDTJhm4hc7cxJBwNHIjKDe9:fDiLeC+cY9DHTJD4cfKWvtype: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

0: [No Data]

Dropped:Trojan.VBS.UNN (B) also known as:

Bkav W32.AIDetect.malware1
K7AntiVirus Trojan ( 0049a65a1 )
Elastic malicious (high confidence)
DrWeb Trojan.DownLoader14.54121
Cynet Malicious (score: 100)
CAT-QuickHeal Backdoor.Zegost.ZZ5
McAfee Trojan-FIOM!5190705BF556
Cylance Unsafe
Zillya Backdoor.Farfli.Win32.2343
Sangfor Trojan.Win32.Save.a
CrowdStrike win/malicious_confidence_100% (W)
K7GW Trojan ( 0049a65a1 )
Cybereason malicious.bf556d
Cyren W32/Trojan.DQSR-8857
ESET-NOD32 a variant of Win32/Fusing.CP
APEX Malicious
Avast Win32:VBCrypt-CZJ [Trj]
Kaspersky HEUR:Trojan.Win32.Generic
BitDefender Dropped:Trojan.VBS.UNN
NANO-Antivirus Trojan.Win32.Beaugrit.dtzzld
MicroWorld-eScan Dropped:Trojan.VBS.UNN
Tencent Malware.Win32.Gencirc.10b3ccbd
Ad-Aware Dropped:Trojan.VBS.UNN
Sophos ML/PE-A + Mal/Behav-001
Comodo TrojWare.Win32.Farfli.AV@800u7u
BitDefenderTheta AI:Packer.3367FA7A1E
TrendMicro BKDR_ZEGOST.SM40
McAfee-GW-Edition Trojan-FIOM!5190705BF556
FireEye Generic.mg.5190705bf556d6a7
Emsisoft Dropped:Trojan.VBS.UNN (B)
SentinelOne Static AI – Malicious PE
Avira TR/Beaugrit.aba
eGambit Unsafe.AI_Score_99%
Microsoft Trojan:Win32/Wacatac.B!ml
Gridinsoft Trojan.Win32.Skeeyah.zv!s1
GData Dropped:Trojan.VBS.UNN
AhnLab-V3 Malware/Win32.Generic.C1053281
Acronis suspicious
VBA32 Trojan.Downloader
MAX malware (ai score=88)
Malwarebytes Trojan.Dropper
Panda Trj/Genetic.gen
TrendMicro-HouseCall BKDR_ZEGOST.SM40
Rising Backdoor.Fusing!1.BCB6 (CLOUD)
Yandex Trojan.GenAsa!PluxA64I4vE
Ikarus Trojan.Win32.Beaugrit
Fortinet W32/Farfli.AIL!tr
AVG Win32:VBCrypt-CZJ [Trj]
Paloalto generic.ml
Qihoo-360 Win32/Trojan.Beaugrit.HwcB1ZsA

How to remove Dropped:Trojan.VBS.UNN (B)?

  • 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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