The Worm:Win32/Fesber.A 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.
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.
What Worm:Win32/Fesber.A virus can do?
- Dynamic (imported) function loading detected
- Yara rule detections observed from a process memory dump/dropped files/CAPE
- Anomalous file deletion behavior detected (10+)
- Attempts to connect to a dead IP:Port (202 unique times)
- The binary contains an unknown PE section name indicative of packing
- The executable is compressed using UPX
- Authenticode signature is invalid
- Installs itself for autorun at Windows startup
- Exhibits possible ransomware file modification behavior
- Creates a copy of itself
- Anomalous binary characteristics
How to determine Worm:Win32/Fesber.A?
File Info:
name: 2F095B4C39D25CED5EBB.mlwpath: /opt/CAPEv2/storage/binaries/118b81eed20b7b07d98dd13d1ce8af868223258a30ec4c8fbfbfce6baa16fac8crc32: 407391F2md5: 2f095b4c39d25ced5ebbe77601ca8499sha1: 4b8f0593a271e520d915603cb759a2c5b5c9a16dsha256: 118b81eed20b7b07d98dd13d1ce8af868223258a30ec4c8fbfbfce6baa16fac8sha512: 140c6c14a6bea9887cdc02929ef0b455c2e8e5b1c6581783f7fe76b81486effb76687187911094b5779a030201b4a96289e8f793122d99283afe5bf657ccc1f1ssdeep: 12288:I28PZT3YZ9okuA9oBSrnAfCp2kodolCKu1c:jJZua9ob7ko+lCKu1type: PE32 executable (GUI) Intel 80386, for MS Windowstlsh: T1FAB46B1EF7AC54F5D026917C8996C24AF6B2B8301F5196CB2260833E7F37AE45E39B11sha3_384: abd4b94e08174843dbbd44ceb827d21dddb5bac1154895ceacc3f1c93c11a8d6d4c5d4c4d1b31cbb4c2de979064b34d0ep_bytes: 558bec83c4ec33c08945ecb8208c4000timestamp: 1992-06-19 22:22:17Version Info:
0: [No Data]
Worm:Win32/Fesber.A also known as:
| Bkav | W32.AIDetect.malware1 |
| Lionic | Trojan.Win32.Wabot.lh0Z |
| Elastic | malicious (high confidence) |
| DrWeb | Win32.HLLW.FSB |
| MicroWorld-eScan | Dropped:Trojan.GenericKD.31231822 |
| FireEye | Generic.mg.2f095b4c39d25ced |
| McAfee | W32/Keco.worm.gen |
| Cylance | Unsafe |
| Zillya | Backdoor.Delf.Win32.19961 |
| Sangfor | Trojan.Win32.Save.a |
| K7AntiVirus | Trojan ( 004bcce41 ) |
| Alibaba | Backdoor:Win32/LunaStorm.584eee3c |
| K7GW | Trojan ( 004bcce41 ) |
| Cybereason | malicious.c39d25 |
| BitDefenderTheta | AI:Packer.128895A320 |
| Cyren | W32/Delfloader.B.gen!Eldorado |
| Symantec | W32.HLLP.Yero.Worm.dr |
| ESET-NOD32 | a variant of Win32/LunaStorm.D |
| TrendMicro-HouseCall | WORM_YERO.A |
| Paloalto | generic.ml |
| ClamAV | Win.Worm.Fesber-9939367-0 |
| Kaspersky | Backdoor.Win32.Delf.lz |
| BitDefender | Dropped:Trojan.GenericKD.31231822 |
| NANO-Antivirus | Trojan.Win32.Fesber.fjhfvl |
| Avast | Win32:Agent-AVCC [Trj] |
| Tencent | Malware.Win32.Gencirc.10d0197b |
| Ad-Aware | Dropped:Trojan.GenericKD.31231822 |
| Emsisoft | Dropped:Trojan.GenericKD.31231822 (B) |
| Comodo | TrojWare.Win32.TrojanDownloader.Delf.gen@1xqow5 |
| Baidu | Win32.Trojan-Dropper.Agent.ad |
| TrendMicro | WORM_YERO.A |
| McAfee-GW-Edition | BehavesLike.Win32.HLLP.hm |
| Sophos | Mal/Generic-R |
| SentinelOne | Static AI – Malicious PE |
| Jiangmin | Backdoor/Delf.bwp |
| MaxSecure | Trojan.Malware.1943155.susgen |
| Avira | WORM/Fesber |
| MAX | malware (ai score=80) |
| Antiy-AVL | Worm/Win32.Fesber.g |
| Gridinsoft | Ransom.Win32.Sabsik.sa |
| Microsoft | Worm:Win32/Fesber.A |
| ZoneAlarm | Backdoor.Win32.Delf.lz |
| GData | Dropped:Trojan.GenericKD.31231822 |
| Cynet | Malicious (score: 100) |
| AhnLab-V3 | Trojan/Win32.Xema.C35566 |
| Acronis | suspicious |
| VBA32 | BScope.Backdoor.Agent |
| ALYac | Dropped:Trojan.GenericKD.31231822 |
| Malwarebytes | Malware.AI.3569880061 |
| APEX | Malicious |
| Rising | Worm.Win32.Fesber.e (CLOUD) |
| Yandex | Trojan.GenAsa!rbAcHlWfCJ4 |
| eGambit | Generic.Malware |
| Fortinet | W32/Delf.NRF!tr |
| AVG | Win32:Agent-AVCC [Trj] |
| Panda | Trj/Genetic.gen |
| CrowdStrike | win/malicious_confidence_100% (W) |
How to remove Worm:Win32/Fesber.A?
- 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.
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