Categories: Malware

Symmi.73636 removal tips

The Symmi.73636 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 Symmi.73636 virus can do?

  • Injection (inter-process)
  • Injection (Process Hollowing)
  • Executable code extraction
  • Injection with CreateRemoteThread in a remote process
  • Attempts to connect to a dead IP:Port (1 unique times)
  • Creates RWX memory
  • Reads data out of its own binary image
  • A process created a hidden window
  • Drops a binary and executes it
  • Performs some HTTP requests
  • The binary likely contains encrypted or compressed data.
  • The executable is compressed using UPX
  • Uses Windows utilities for basic functionality
  • Executed a process and injected code into it, probably while unpacking
  • Queries information on disks for anti-virtualization via Device Information APIs
  • Sniffs keystrokes
  • A system process is generating network traffic likely as a result of process injection
  • Installs itself for autorun at Windows startup
  • Attempts to modify proxy settings
  • Creates a copy of itself
  • Harvests information related to installed mail clients
  • Creates a slightly modified copy of itself

Related domains:

z.whorecord.xyz
a.tomx.xyz
resolver1.opendns.com
myip.opendns.com
groupcreatedt.at
fileservers.at

How to determine Symmi.73636?


File Info:

crc32: 1EA94CE6md5: ccdd77ba404e8ce5f8e29181408aeaeaname: CCDD77BA404E8CE5F8E29181408AEAEA.mlwsha1: b47a035811590264d2fa0b4022a6afe0e649639dsha256: 95755faf8fdcc92ba31c1b767de89d7ab736fdfccc4b715601b67814f8143422sha512: 4cba37fae2456ed722d7819b5d135c81b164461da56744e47be62e3e81e3c573cb3754327a6ca30764a224b2906136a9e068608e937e6e5ed8660ca6dd41a526ssdeep: 6144:0f4KZRri33QgyCoSdEkcObVF0OOEb7F/5nc91xiCMujEk4nrWFdUNEGfE7kPwxoB:+RrsQaoS0coOOSc96Cv2rgdeXZYxwtype: PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed

Version Info:

LegalCopyright: Copyright (C) 2017InternalName: rgergerg.exeFileVersion: 1.0.0.1CompanyName: TODO: ProductName: TODO: ProductVersion: 1.0.0.1FileDescription: TODO: OriginalFilename: rgergerg.exeTranslation: 0x040c 0x04b0

Symmi.73636 also known as:

Bkav W32.AIDetect.malware2
K7AntiVirus Trojan ( 00500d011 )
Lionic Trojan.Win32.Ursnif.l!c
Elastic malicious (high confidence)
DrWeb Trojan.Encoder.10317
Cynet Malicious (score: 100)
CAT-QuickHeal Trojan.MauvaiseRI.S5248222
ALYac Gen:Variant.Symmi.73636
Cylance Unsafe
Sangfor Suspicious.Win32.Save.a
CrowdStrike win/malicious_confidence_70% (D)
K7GW Trojan ( 00500d011 )
Cybereason malicious.a404e8
ESET-NOD32 a variant of Win32/Injector.DMXF
APEX Malicious
Avast Win32:Malware-gen
Kaspersky Trojan-Spy.Win32.Ursnif.xlt
BitDefender Gen:Variant.Symmi.73636
NANO-Antivirus Trojan.Win32.Crusis.emsljc
MicroWorld-eScan Gen:Variant.Symmi.73636
Tencent Win32.Trojan-spy.Ursnif.Tcwb
Ad-Aware Gen:Variant.Symmi.73636
Sophos Mal/Generic-R + Mal/Isda-D
VIPRE Trojan.Win32.Generic!BT
TrendMicro Mal_Cerber-24
McAfee-GW-Edition Ransomware-FMEE!CCDD77BA404E
FireEye Generic.mg.ccdd77ba404e8ce5
Emsisoft Gen:Variant.Symmi.73636 (B)
SentinelOne Static AI – Malicious PE
Jiangmin Trojan.Crusis.go
Avira HEUR/AGEN.1125706
Antiy-AVL Trojan/Generic.ASMalwS.1F15F09
GData Gen:Variant.Symmi.73636
AhnLab-V3 Trojan/Win32.Cerber.C1955763
McAfee Ransomware-FMEE!CCDD77BA404E
MAX malware (ai score=99)
VBA32 TrojanRansom.Crusis
Panda Trj/RansomCrypt.K
TrendMicro-HouseCall Mal_Cerber-24
Rising Malware.Obscure/Heur!1.9E03 (CLASSIC)
Yandex Trojan.GenAsa!uS1UKpR55jc
Fortinet W32/Generic.AP.A8EE4!tr
AVG Win32:Malware-gen
Paloalto generic.ml

How to remove Symmi.73636?

  • 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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